Changed order of servers

Updated order of server list so the default one connects instead of erroring
fmove file send success message to chat window
removed unneeded var, small fixes
fixed friend requests queueing
save files to original name and some bug fixes
refactored file saving/fixed bugs
handle duplicate files and another bug fix
fixed file sending queueing and other bugs
small fix
adjusting max name length handling
rm /msg command
simplify string_is_empty
rewrote execute function
no longer need this
fixed bug that was causing random crashes
awhen atoi returns 0 on invalid input we don't want that to count as valid
make function constant time
small fixes
Merge pull request #46 from grimd34th/patch-1

Changed order of servers
simplify execute function some more