I think you might be slightly modest on your 'previous bans' section of your application.
Turns out you have a total of 13 bans; listed here:
[0] => mc.oldershaw.org .:. griefing, lb proof
[1] => morganmc.dyndns.org .:. flyhack, personally witnessed
[2] => letsmine.info .:. spamming
[3] => mc.tecticraft.com .:. you have been banned from tecticraft!
[4] => Play-CC.Com .:. griefing:lb confirmed #cookie
[5] => mc.derpmc.com .:. if you are really a mother, you should know better than to swear at kids...
[6] => hub.obsidiancraft.com .:. spam
[7] => kittencraft.tk .:. dumbass. griefing.
[8] => minecraft-my.no-ip.org .:. SPAM Bot Minecraft PWN4G3
[9] => alienearth.pigsaddle.com .:. Griefing, Lying To Admin/Owner
[10] => mc.zen9400.com .:. being riley
)
(
[username] => Mumof2
[issuer] => Console
[server] => bwitzgaming.net
[reason] => Import from banned-players.txt
[time] => 2012-02-11 13:59:19
)
[1] => Array
(
[username] => Mumof2
[issuer] => skuld
[server] => c.nerd.nu
[reason] => Compromised - account used by griefers
[time] => 2011-09-20 18:18:21
)
Herocraft has a strict ZERO TOLERANCE policy on any form of hack. You have stated that a friend uses your account, of which we also do not accept for clarity. You must buy your own account if you wish to apply for Herocraft again.
Sorry, but your application has been DENIED for the above reasons. Please purchase another account if you wish to apply for Herocraft again.
Protip: Don't let others use your account. It screws everything up.