shift successful get/post callback into try block
shift successful get/post callback into try block

rneilson/node-twitter,cesaregb/ntwitter,SteveUpton/ftwitter,AvianFlu/ntwitter,desmondmorris/node-twitter,Shugardude/ntwitter2,gabfusi/node-twitter,FiftyThree/node-twitter,timisbusy/ntwitter,santiperez/ntwitter