adding Reflux.listenToMany
allowing preEmit to change arguments
allow returning of non-array
fixed bad comment and readme phrasing
changed to solution not requiring isArray
change to arguments detection solution
added tests for isArguments
fix travis whining
Merge pull request #76 from krawaller/listentomany

adding Reflux.listenToMany to 0.1.8
Merge pull request #78 from krawaller/preemitargs

allowing preEmit to change arguments
fix conflicts and README example