Merge pull request #312 from JuliaRobotics/compathelper/new_version/2020-02-19-00-14-03-145-323867029

CompatHelper: add new compat entry for "Unmarshal" at version "0.3"

Author: dehann

Project.toml

@@ -31,6 +31,7 @@ LightGraphs = "1.2, 1.3"
 Neo4j = "2"
 Reexport = "0.2, 0.3, 0.4, 0.5, 1"
 Requires = "0.5, 0.6, 0.7, 0.8, 0.9, 0.10, 1"
+Unmarshal = "0.3"
 julia = "0.7, 1"
 
 [extras]