Merge pull request #9 from 013/master

Added 4chan search
Fixed bugs with threads not working as 013 reused the variable name thread in 4chan threads
athreads > threads in message to channel
fixed a bug with invalid thread search syntax
013 rewrote :s to be better
Merge pull request #10 from 013/master

Rewrote substition
Added a function to convert HTML color codes.
Fixed layout issues with convert function.
Merge branch 'master' of https://github.com/TheCrittaC/BigBen
Added \!seen command