Added a destroy method, added library checks at top of file
Added a destroy method, added library checks at top of file

fibears/twython,vivek8943/twython,kracekumar/twython,Oire/twython,mgrouchy/twython,Devyani-Divs/twython,Fueled/twython,ryanmcgrath/twython,Hasimir/twython,joebos/twython,ping/twython,akarambir/twython