Added sceNpBasicGetFriendListEntryCount and sceNpBasicGetMessageEntryCount

Fixed (?) sometimes functions being unloaded when they shouldn't.
Also reverted the SPUThread hack.
Merge pull request #817 from tambry/sceNpAdditionModuleFix

Added sceNpBasicGetFriendListEntryCount and sceNpBasicGetMessageEntryCount