update compat

Author: funnell

Project.toml

@@ -11,7 +11,7 @@ Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 
 [compat]
-DataFrames = "0.17.1, 0.21.1, 1.1, 1.2, 1.3"
-NLopt = "0.5.1, 0.6"
-SpecialFunctions = "0.8.0, 0.10.3, 1.3, 2"
+DataFrames = "0.17.1, 0.21.1, ~1.1, ~1.2, ~1.3"
+NLopt = "0.5.1, ~0.6"
+SpecialFunctions = "0.8.0, ~0.10, ~1, ~2"
 julia = "~1.0, ~1.1, ~1.2, ~1.3, ~1.4, ~1.5, ~1.6, ~1.7"