Made sendEvent customizable via eventHandler option
Added userTimingHandler option and refactored handler options checking and setting
Semicolumnial OCD
Adding methods for turning on and off (#3)
Merge branch 'custom-event-handler' of git://github.com/Peer5/riveted into v0.4.0
Pulling in gtm-fix hot fix
Merge branch 'master' into v0.4.0
changing on/off method names
final updates for v0.4