Moved env to start() in stdio
Added another unittest.
Renamed StdioMsgChannel to MsgStdioChannel. ImplementedInterface should come first.
Fixed msgstdio bug in both test and code.
fixed bug in msgstdio
Removed the exception capturing on the client side from msgstdio. This will go into a separate class.
Renamed some files
Renamed some of the classes
Fixed bug in unittest
msgguard