Allow "hash" style attrs setting in ELEM#make
Added configuration variable for setting the html contents of the index html page body.
Added clone method to HRect and methods in HRect and HPoint that are not supposed to return something else return this.
Separated _animateStepStyle and _animateFinalStepStyle methods from animateStep
msg.session has a new counter: :ses_seq, which returns the session sequence number; starts from 0, when created or cloned and is incremented by 1 every time it's spawned
SessionStorage fixes related to ruby 2.0.0 and MongoDB
RSence-pre 2.3.0.23