Added return type modification / retrieval.

Added HAM_{IGNORED,HANDLED,OVERRIDE,SUPERCEDE} to include file.

Added the ability to disable and re-enable hooks.

dlls/hamsandwich/Makefile

@@ -25,7 +25,7 @@ BIN_SUFFIX = amxx_i386.so
 
 OBJECTS = sdk/amxxmodule.cpp amxx_api.cpp    config_parser.cpp  \
 hook_callbacks.cpp  hook_native.cpp srvcmd.cpp \
-call_funcs.cpp  hook_create.cpp 
+call_funcs.cpp  hook_create.cpp DataHandler.cpp
 
 
 LINK =