IRC Bot message parsing testing

[HoutarouOreki]

• [x] player join
• [x] change slot
• [x] player left #
• [x] match settings changed (!mp set x/ !mp set x y/ !mp set x y z)
• [x] match settings from !mp settings
• [x] slot amount changed
• [x] match lock
• [x] match unlock #
• [x] player team change
• [x] read player line from !mp settings #
• [x] referee added
• [x] referee removed #
• [x] map changed
• [x] mods on change
• [x] mods from !mp settings