diff --git a/Pipfile b/Pipfile
index a232e639c21..b956277f56d 100644
--- a/Pipfile
+++ b/Pipfile
@@ -18,7 +18,7 @@ pydot = "*"
 ipykernel = "*"
 matplotlib = "*"
 antlr4-python3-runtime = "*"
-python-jsonrpc-server = "*"
+python-jsonrpc-server = "==0.0.2"
 pytest-asyncio = "*"
 
 [dev-packages]
diff --git a/Pipfile.lock b/Pipfile.lock
index b672acae202..b77ca0f4828 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "d04772a318aa545b5bfd2b3281d2433c3b6fb3d9e626ee57ba5c45540f45db16"
+            "sha256": "891f5ac4e93119d7cf21aa2fbae2258c92280cd7e32e9b5630726d999c8a6b3e"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -18,17 +18,25 @@
     "default": {
         "antlr4-python3-runtime": {
             "hashes": [
-                "sha256:1b26b72c4492cef310542da10bf6b2ab4aa1775618fc6003f75b55ae9eaa3fd3"
+                "sha256:168cdcec8fb9152e84a87ca6fd261b3d54c8f6358f42ab3b813b14a7193bb50b"
             ],
             "index": "pypi",
-            "version": "==4.7.1"
+            "version": "==4.7.2"
+        },
+        "appnope": {
+            "hashes": [
+                "sha256:5b26757dc6f79a3b7dc9fab95359328d5747fcb2409d331ea66d0272b90ab2a0",
+                "sha256:8b995ffe925347a2138d7ac0fe77155e4311a0ea6d6da4f5128fe4b3cbe5ed71"
+            ],
+            "markers": "sys_platform == 'darwin'",
+            "version": "==0.1.0"
         },
         "atomicwrites": {
             "hashes": [
-                "sha256:0312ad34fcad8fac3704d441f7b317e50af620823353ec657a53e981f92920c0",
-                "sha256:ec9ae8adaae229e4f8446952d204a3e4b5fdd2d099f9be3aaf556120135fb3ee"
+                "sha256:03472c30eb2c5d1ba9227e4c2ca66ab8287fbfbbda3888aa93dc2e28fc6811b4",
+                "sha256:75a9445bac02d8d058d5e1fe689654ba5a6556a1dfd8ce6ec55a0ed79866cfa6"
             ],
-            "version": "==1.2.1"
+            "version": "==1.3.0"
         },
         "attrs": {
             "hashes": [
@@ -46,10 +54,10 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
-                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+                "sha256:47f9c83ef4c0c621eaef743f133f09fa8a74a9b75f037e8624f83bd1b6626cb7",
+                "sha256:993f830721089fef441cdfeb4b2c8c9df86f0c63239f06bd025a76a7daddb033"
             ],
-            "version": "==2018.10.15"
+            "version": "==2018.11.29"
         },
         "chardet": {
             "hashes": [
@@ -58,14 +66,6 @@
             ],
             "version": "==3.0.4"
         },
-        "colorama": {
-            "hashes": [
-                "sha256:05eed71e2e327246ad6b38c540c4a3117230b19679b875190486ddd2d721422d",
-                "sha256:f8ac84de7840f5b9c4e3347b3c1eaa50f7e49c2b07596221daec5edaabbd7c48"
-            ],
-            "markers": "sys_platform == 'win32'",
-            "version": "==0.4.1"
-        },
         "cycler": {
             "hashes": [
                 "sha256:1d8a5ae1ff6c5cf9b93e8811e581232ad8920aeec647c37316ceac982b08cb2d",
@@ -75,10 +75,10 @@
         },
         "decorator": {
             "hashes": [
-                "sha256:2c51dff8ef3c447388fe5e4453d24a2bf128d3a4c32af3fabef1f01c6851ab82",
-                "sha256:c39efa13fbdeb4506c476c9b3babf6a718da943dab7811c206005a4a956c080c"
+                "sha256:33cd704aea07b4c28b3eb2c97d288a06918275dac0ecebdaf1bc8a48d98adb9e",
+                "sha256:cabb249f4710888a2fc0e13e9a16c343d932033718ff62e1e9bc93a9d3a9122b"
             ],
-            "version": "==4.3.0"
+            "version": "==4.3.2"
         },
         "et-xmlfile": {
             "hashes": [
@@ -109,10 +109,10 @@
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:c357b3f628cf53ae2c4c05627ecc484553142ca23264e593d327bcde5e9c3407",
+                "sha256:ea8b7f6188e6fa117537c3df7da9fc686d485087abf6ac197f9c46432f7e4a3c"
             ],
-            "version": "==2.7"
+            "version": "==2.8"
         },
         "ipykernel": {
             "hashes": [
@@ -124,10 +124,10 @@
         },
         "ipython": {
             "hashes": [
-                "sha256:a5781d6934a3341a1f9acb4ea5acdc7ea0a0855e689dbe755d070ca51e995435",
-                "sha256:b10a7ddd03657c761fc503495bc36471c8158e3fc948573fb9fe82a7029d8efd"
+                "sha256:06de667a9e406924f97781bda22d5d76bfb39762b678762d86a466e63f65dc39",
+                "sha256:5d3e020a6b5f29df037555e5c45ab1088d6a7cf3bd84f47e0ba501eeb0c3ec82"
             ],
-            "version": "==7.1.1"
+            "version": "==7.3.0"
         },
         "ipython-genutils": {
             "hashes": [
@@ -145,26 +145,17 @@
         },
         "jedi": {
             "hashes": [
-                "sha256:0191c447165f798e6a730285f2eee783fff81b0d3df261945ecb80983b5c3ca7",
-                "sha256:b7493f73a2febe0dc33d51c99b474547f7f6c0b2c8fb2b21f453eef204c12148"
-            ],
-            "version": "==0.13.1"
-        },
-        "jsonpickle": {
-            "hashes": [
-                "sha256:8b6212f1155f43ce67fa945efae6d010ed059f3ca5ed377aa070e5903d45b722",
-                "sha256:d43ede55b3d9b5524a8e11566ea0b11c9c8109116ef6a509a1b619d2041e7397",
-                "sha256:ed4adf0d14564c56023862eabfac211cf01211a20c5271896c8ab6f80c68086c"
+                "sha256:571702b5bd167911fe9036e5039ba67f820d6502832285cde8c881ab2b2149fd",
+                "sha256:c8481b5e59d34a5c7c42e98f6625e633f6ef59353abea6437472c7ec2093f191"
             ],
-            "index": "pypi",
-            "version": "==1.0"
+            "version": "==0.13.2"
         },
         "jupyter-client": {
             "hashes": [
-                "sha256:27befcf0446b01e29853014d6a902dd101ad7d7f94e2252b1adca17c3466b761",
-                "sha256:59e6d791e22a8002ad0e80b78c6fd6deecab4f9e1b1aa1a22f4213de271b29ea"
+                "sha256:b5f9cb06105c1d2d30719db5ffb3ea67da60919fb68deaefa583deccd8813551",
+                "sha256:c44411eb1463ed77548bc2d5ec0d744c9b81c4a542d9637c7a52824e2121b987"
             ],
-            "version": "==5.2.3"
+            "version": "==5.2.4"
         },
         "jupyter-core": {
             "hashes": [
@@ -208,39 +199,35 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:02bc220d61f46e9b9d5a53c361ef95e9f5e1d27171cd461dddb17677ae2289a5",
-                "sha256:22f253b542a342755f6cfc047fe4d3a296515cf9b542bc6e261af45a80b8caf6",
-                "sha256:2f31145c7ff665b330919bfa44aacd3a0211a76ca7e7b441039d2a0b0451e415",
-                "sha256:36720698c29e7a9626a0dc802ef8885f8f0239bfd1689628ecd459a061f2807f",
-                "sha256:438a1b0203545521f6616132bfe0f4bca86f8a401364008b30e2b26ec408ce85",
-                "sha256:4815892904c336bbaf73dafd54f45f69f4021c22b5bad7332176bbf4fb830568",
-                "sha256:5be031b0f15ad63910d8e5038b489d95a79929513b3634ad4babf77100602588",
-                "sha256:5c93ae37c3c588e829b037fdfbd64a6e40c901d3f93f7beed6d724c44829a3ad",
-                "sha256:60842230678674cdac4a1cf0f707ef12d75b9a4fc4a565add4f710b5fcf185d5",
-                "sha256:62939a8bb6758d1bf923aa1c13f0bcfa9bf5b2fc0f5fa917a6e25db5fe0cfa4e",
-                "sha256:75830c06a62fe7b8fe3bbb5f269f0b308f19f3949ac81cfd40062f47c1455faf",
-                "sha256:81992565b74332c7c1aff6a913a3e906771aa81c9d0c68c68113cffcae45bc53",
-                "sha256:8c892fb0ee52c594d9a7751c7d7356056a9682674b92cc1c4dc968ff0f30c52f",
-                "sha256:9d862e3cf4fc1f2837dedce9c42269c8c76d027e49820a548ac89fdcee1e361f",
-                "sha256:a623965c086a6e91bb703d4da62dabe59fe88888e82c4117d544e11fd74835d6",
-                "sha256:a7783ab7f6a508b0510490cef9f857b763d796ba7476d9703f89722928d1e113",
-                "sha256:aab09fbe8abfa3b9ce62aaf45aca2d28726b1b9ee44871dbe644050a2fff4940",
-                "sha256:abf181934ac3ef193832fb973fd7f6149b5c531903c2ec0f1220941d73eee601",
-                "sha256:ae07fa0c115733fce1e9da96a3ac3fa24801742ca17e917e0c79d63a01eeb843",
-                "sha256:b9c78242219f674ab645ec571c9a95d70f381319a23911941cd2358a8e0521cf",
-                "sha256:bccb267678b870d9782c3b44d0cefe3ba0e329f9af8c946d32bf3778e7a4f271",
-                "sha256:c4df4d27f4c93b2cef74579f00b1d3a31a929c7d8023f870c4b476f03a274db4",
-                "sha256:caf0e50b546bb60dfa99bb18dfa6748458a83131ecdceaf5c071d74907e7e78a",
-                "sha256:d3266bd3ac59ac4edcd5fa75165dee80b94a3e5c91049df5f7c057ccf097551c",
-                "sha256:db0d213987bcd4e6d41710fb4532b22315b0d8fb439ff901782234456556aed1",
-                "sha256:dbbd5cf7690a40a9f0a9325ab480d0fccf46d16b378eefc08e195d84299bfae1",
-                "sha256:e16e07a0ec3a75b5ee61f2b1003c35696738f937dc8148fbda9fe2147ccb6e61",
-                "sha256:e175a006725c7faadbe69e791877d09936c0ef2cf49d01b60a6c1efcb0e8be6f",
-                "sha256:edd9c13a97f6550f9da2236126bb51c092b3b1ce6187f2bd966533ad794bbb5e",
-                "sha256:fa39ea60d527fbdd94215b5e5552f1c6a912624521093f1384a491a8ad89ad8b"
+                "sha256:0537eee4902e8bf4f41bfee8133f7edf96533dd175930a12086d6a40d62376b2",
+                "sha256:0562ec748abd230ab87d73384e08fa784f9b9cee89e28696087d2d22c052cc27",
+                "sha256:09e91831e749fbf0f24608694e4573be0ef51430229450c39c83176cc2e2d353",
+                "sha256:1ae4c0722fc70c0d4fba43ae33c2885f705e96dce1db41f75ae14a2d2749b428",
+                "sha256:1c630c083d782cbaf1f7f37f6cac87bda9cff643cf2803a5f180f30d97955cef",
+                "sha256:2fe74e3836bd8c0fa7467ffae05545233c7f37de1eb765cacfda15ad20c6574a",
+                "sha256:37af783c2667ead34a811037bda56a0b142ac8438f7ed29ae93f82ddb812fbd6",
+                "sha256:3f2d9eafbb0b24a33f56acd16f39fc935756524dcb3172892721c54713964c70",
+                "sha256:47d8365a8ef14097aa4c65730689be51851b4ade677285a3b2daa03b37893e26",
+                "sha256:510e904079bc56ea784677348e151e1156040dbfb736f1d8ea4b9e6d0ab2d9f4",
+                "sha256:58d0851da422bba31c7f652a7e9335313cf94a641aa6d73b8f3c67602f75b593",
+                "sha256:7940d5c2185ffb989203dacbb28e6ae88b4f1bb25d04e17f94b0edd82232bcbd",
+                "sha256:7cf39bb3a905579836f7a8f3a45320d9eb22f16ab0c1e112efb940ced4d057a5",
+                "sha256:9563a23c1456c0ab550c087833bc13fcc61013a66c6420921d5b70550ea312bf",
+                "sha256:95b392952935947e0786a90b75cc33388549dcb19af716b525dae65b186138fc",
+                "sha256:983129f3fd3cef5c3cf067adcca56e30a169656c00fcc6c648629dbb850b27fa",
+                "sha256:a0b75b1f1854771844c647c464533def3e0a899dd094a85d1d4ed72ecaaee93d",
+                "sha256:b5db89cc0ef624f3a81214b7961a99f443b8c91e88188376b6b322fd10d5b118",
+                "sha256:c0a7751ba1a4bfbe7831920d98cee3ce748007eab8dfda74593d44079568219a",
+                "sha256:c0c5a7d4aafcc30c9b6d8613a362567e32e5f5b708dc41bc3a81dac56f8af8bb",
+                "sha256:d4d63d85eacc6cb37b459b16061e1f100d154bee89dc8d8f9a6128a5a538e92e",
+                "sha256:da5e7e941d6e71c9c9a717c93725cda0708c2474f532e3680ac5e39ec57d224d",
+                "sha256:dccad2b3c583f036f43f80ac99ee212c2fa9a45151358d55f13004d095e683b2",
+                "sha256:df46307d39f2aeaafa1d25309b8a8d11738b73e9861f72d4d0a092528f498baa",
+                "sha256:e70b5e1cb48828ddd2818f99b1662cb9226dc6f57d07fc75485405c77da17436",
+                "sha256:ea825562b8cd057cbc9810d496b8b5dec37a1e2fc7b27bc7c1e72ce94462a09a"
             ],
             "index": "pypi",
-            "version": "==4.2.5"
+            "version": "==4.3.1"
         },
         "matplotlib": {
             "hashes": [
@@ -263,11 +250,11 @@
         },
         "more-itertools": {
             "hashes": [
-                "sha256:c187a73da93e7a8acc0001572aebc7e3c69daf7bf6881a2cea10650bd4420092",
-                "sha256:c476b5d3a34e12d40130bc2f935028b5f636df8f372dc2c1c01dc19681b2039e",
-                "sha256:fcbfeaea0be121980e15bc97b3817b5202ca73d0eae185b4550cbfce2a3ebb3d"
+                "sha256:0125e8f60e9e031347105eb1682cef932f5e97d7b9a1a28d9bf00c22a5daef40",
+                "sha256:590044e3942351a1bdb1de960b739ff4ce277960f2425ad4509446dbace8d9d1"
             ],
-            "version": "==4.3.0"
+            "markers": "python_version > '2.7'",
+            "version": "==6.0.0"
         },
         "networkx": {
             "hashes": [
@@ -285,51 +272,54 @@
         },
         "numpy": {
             "hashes": [
-                "sha256:0df89ca13c25eaa1621a3f09af4c8ba20da849692dcae184cb55e80952c453fb",
-                "sha256:154c35f195fd3e1fad2569930ca51907057ae35e03938f89a8aedae91dd1b7c7",
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-                "sha256:1e8956c37fc138d65ded2d96ab3949bd49038cc6e8a4494b1515b0ba88c91565",
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-                "sha256:36e36b6868e4440760d4b9b44587ea1dc1f06532858d10abba98e851e154ca70",
-                "sha256:3d734559db35aa3697dadcea492a423118c5c55d176da2f3be9c98d4803fc2a7",
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-                "sha256:edfa6fba9157e0e3be0f40168eb142511012683ac3dc82420bee4a3f3981b30e"
+                "sha256:0cdbbaa30ae69281b18dd995d3079c4e552ad6d5426977f66b9a2a95f11f552a",
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+                "sha256:31d3fe5b673e99d33d70cfee2ea8fe8dccd60f265c3ed990873a88647e3dd288",
+                "sha256:34dd4922aab246c39bf5df03ca653d6265e65971deca6784c956bf356bca6197",
+                "sha256:384e2dfa03da7c8d54f8f934f61b6a5e4e1ebb56a65b287567629d6c14578003",
+                "sha256:392e2ea22b41a22c0289a88053204b616181288162ba78e6823e1760309d5277",
+                "sha256:4341a39fc085f31a583be505eabf00e17c619b469fef78dc7e8241385bfddaa4",
+                "sha256:45080f065dcaa573ebecbfe13cdd86e8c0a68c4e999aa06bd365374ea7137706",
+                "sha256:485cb1eb4c9962f4cd042fed9424482ec1d83fee5dc2ef3f2552ac47852cb259",
+                "sha256:575cefd28d3e0da85b0864506ae26b06483ee4a906e308be5a7ad11083f9d757",
+                "sha256:62784b35df7de7ca4d0d81c5b6af5983f48c5cdef32fc3635b445674e56e3266",
+                "sha256:69c152f7c11bf3b4fc11bc4cc62eb0334371c0db6844ebace43b7c815b602805",
+                "sha256:6ccfdcefd287f252cf1ea7a3f1656070da330c4a5658e43ad223269165cdf977",
+                "sha256:7298fbd73c0b3eff1d53dc9b9bdb7add8797bb55eeee38c8ccd7906755ba28af",
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             "index": "pypi",
-            "version": "==1.15.4"
+            "version": "==1.16.1"
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-                "sha256:8b0c2a44f394a7a913a2e7cdcc1dc601d5f45c59b85a356e591e2ac5463e21e7"
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-            "version": "==2.5.11"
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+            "version": "==0.3.4"
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-            "version": "==0.3.1"
+            "markers": "sys_platform != 'win32'",
+            "version": "==4.6.0"
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         "pickleshare": {
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@@ -340,18 +330,25 @@
         },
         "pluggy": {
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@@ -362,40 +359,48 @@
         },
         "pydot": {
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@@ -436,78 +441,78 @@
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+                "sha256:865afedf35aaef6df6344bee0de391ee5e99d6e802950a237f9fb9b13e441f91",
+                "sha256:870fd401ec7b64a895cff8e206ee16569158db00254b2f7157b4c9a5db72c722",
+                "sha256:963815c226b29b0176d5e3d37fc9de46e2778ce4636a5a7af11a48122ef2577c",
+                "sha256:9726791484f08e394af0b59eb80489ad94d0a53bbb58ab1837dcad4d58489863",
+                "sha256:9de84a71bb7979aa8c089c4fb0ea0e2ed3917df3fb2a287a41aaea54bbad7f5d",
+                "sha256:b2c324ddc5d6dbd3f13680ad16a29425841876a84a1de23a984236d1afff4fa6",
+                "sha256:b86ae13c597fca087cb8c193870507c8916cefb21e52e1897da320b5a35075e5",
+                "sha256:ba0488d4dbba2af5bf9596b849873102d612e49a118c512d9d302ceafa36e01a",
+                "sha256:d78702af4102a3a4e23bb7372cec283e78f32f5573d92091aa6aaba870370fe1",
+                "sha256:def0e5d681dd3eb562b059d355ae8bebe27f5cc455ab7c2b6655586b63d3a8ea",
+                "sha256:e085d1babcb419bbe58e2e805ac61924dac4ca45a07c9fa081144739e500aa3c",
+                "sha256:e2cfcbab37c082a5087aba5ff00209999053260441caadd4f0e8f4c2d6b72088",
+                "sha256:e742f1f5dcaf222e8471c37ee3d1fd561568a16bb52e031c25674ff1cf9702d5",
+                "sha256:f06819b028b8ef9010281e74c59cb35483933583043091ed6b261bb1540f11cc",
+                "sha256:f15f2d60a11c306de7700ee9f65df7e9e463848dbea9c8051e293b704038da60",
+                "sha256:f31338ee269d201abe76083a990905473987371ff6f3fdb76a3f9073a361cf37",
+                "sha256:f6b88c8d302c3dac8dff7766955e38d670c82e0d79edfc7eae47d6bb2c186594"
             ],
             "index": "pypi",
-            "version": "==1.1.0"
+            "version": "==1.2.1"
         },
         "singledispatch": {
             "hashes": [
@@ -518,10 +523,10 @@
         },
         "six": {
             "hashes": [
-                "sha256:70e8a77beed4562e7f14fe23a786b54f6296e34344c23bc42f07b15018ff98e9",
-                "sha256:832dc0e10feb1aa2c68dcc57dbb658f1c7e65b9b61af69048abc87a2db00a0eb"
+                "sha256:3350809f0555b11f552448330d0b52d5f24c91a322ea4a15ef22629740f3761c",
+                "sha256:d16a0141ec1a18405cd4ce8b4613101da75da0e9a7aec5bdd4fa804d0e0eba73"
             ],
-            "version": "==1.11.0"
+            "version": "==1.12.0"
         },
         "sklearn": {
             "hashes": [
@@ -571,14 +576,5 @@
             "version": "==0.1.7"
         }
     },
-    "develop": {
-        "v": {
-            "hashes": [
-                "sha256:605a936bb41413ea696d92acc74dcf1a1eadde03e73b13655591c2b9074b9dd8",
-                "sha256:c2d77319519fc8b48bafd0677a9117d2717d266fa8a7512ad2158a6a40b31c01"
-            ],
-            "index": "pypi",
-            "version": "==4.0.0"
-        }
-    }
+    "develop": {}
 }