Trivial fixes
	modified:   database/database.c
1/2 refactored md5 functions
	modified:   md5/Makefile
	modified:   md5/md5.c
2/2 refactor md5.h
	modified:   md5/md5.h
Updated database.c to work with newer md5.[c,h]
	modified:   database/database.c
Refactore database/sqlite.[c,h] to work with new md5.[c,h]
	modified:   database/sqlite.c
	modified:   database/sqlite.h
Small fixes to db logic
	modified:   Makefile
	modified:   database/database.c
	modified:   database/sqlite.c
	modified:   database/sqlite.h
cleanup in database functions
	modified:   client.c
	modified:   database/database.c
	modified:   database/database.h
	modified:   database/sqlite.c
	modified:   database/sqlite.h
simple test script