Fix some memory leaks in class Create method
Fix some memory leaks in class Create method

In most of the error returns from Create we were leaking memory
allocated from C.

ericsnowcurrently/qur-gopy,qur/gopy,qur/gopy,ericsnowcurrently/qur-gopy,qur/gopy,limetext/gopy,limetext/gopy,ericsnowcurrently/qur-gopy,limetext/gopy