Emotes expansion update

Updated emote expressions
Added /flip (a coin - heads or tails)
Added /roll (random number between 1 and 100)
Added more emotes
Added chat timestamps possibility, but its commented out (its easier for
me to maintain it like this - hope its not a bother)
Merge pull request #22 from FZFalzar/brutus_whisper

BetterWhisper Plugin
Merge pull request #23 from teihoo/emotes

Emotes update and additions