Adjust method resolution warning message
Use substring.

This allows us to encode item names that contain the : character. We
only care about the first : character and everything after is treated as
the name.
Start creating tests.
Add testable parsing methods.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Update 2013 SLN

TBR @Steell
String patch 2013 SLN

TBR @Steell