bump v0.12.0

Author: dehann

Project.toml

@@ -1,6 +1,6 @@
 name = "DistributedFactorGraphs"
 uuid = "b5cc3c7e-6572-11e9-2517-99fb8daf2f04"
-version = "0.11.3"
+version = "0.12.0"
 
 [deps]
 Base64 = "2a0f44e3-6c83-55bd-87e4-b1978d98bd5f"
@@ -35,7 +35,7 @@ Reexport = "0.2, 0.3, 0.4, 0.5, 1"
 Requires = "0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 1"
 TimeZones = "1.3.1"
 Unmarshal = "0.4"
-julia = "1.2"
+julia = "1.4"
 
 [extras]
 GraphPlot = "a2cc645c-3eea-5389-862e-a155d0052231"