Changes to move back to development versioning (#1907)

Author: jmwright

cadquery/__init__.py

@@ -4,7 +4,7 @@
     __version__ = version("cadquery")
 except PackageNotFoundError:
     # package is not installed
-    __version__ = "2.6.0"
+    __version__ = "2.7-dev"
 
 # these items point to the OCC implementation
 from .occ_impl.geom import Plane, BoundBox, Vector, Matrix, Location

setup.py

@@ -40,7 +40,7 @@
 
 setup(
     name="cadquery",
-    version="2.6.0",
+    version="2.7-dev",
     url="https://github.com/CadQuery/cadquery",
     license="Apache Public License 2.0",
     author="David Cowden",