Merge pull request #1 from IceNinjaman/master

Update from original
Update plugin_exports.c

Added new plugin function to get slot number of the command invoker
Update function_declarations.h

Get slot number of command invoker
Update plugin_handler.c

Fixes error messages
Update makedll32

Fix plugin's name
Update makedll32

Fix plugin's name
Merge pull request #42 from rocco27/master

Added a new plugin function to get slot number of command invoker, fixed plugin's error messages and plugin's names.