Merge pull request #130 from sunyc/master

Release fluffos-3.0-alpha6.4
Error_Action
Merge pull request #131 from zoilder/Error_Action

Update error message in add_actions.
Merge pull request #133 from sunyc/master

Raise patchlevel to alpha7
Merge pull request #135 from sunyc/master

Adding explict flushing for add_binary_message.
Adding __CXXFLAGS__ for mudlib.

Contains the flags used in the compilation process.
Add a explict fallthrough comment on exiting routine.
Fix complie with PACKAGE_PARSER