updated remaining tests in test_core.py and removed cursor test (which will be replaced)
updated remaining tests in test_core.py and removed cursor test (which will be replaced)

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