Added warnings to compile process with -Wall
Hid multi-character character constants warnings with -Wno-multichar
Fixed two warnings issued for stuffing an integer into a pointer in an improper way (now using GINT_TO_POINTER)
Fixed two warnings issued for trying to change the type of SHA-1 hashes from uint8[] to uint32[] in an improper way (now using unions)
Merge branch 'master' of ssh://github.com/nmbook/pidgin-libbnet