- added comments and fixed some small shortcomings
- added comments and fixed some small shortcomings

m13253/pycurl-python3,jcharum/pycurl,jcharum/pycurl,ninemoreminutes/pycurl,jcharum/pycurl,ninemoreminutes/pycurl,m13253/pycurl-python3,m13253/pycurl-python3,ninemoreminutes/pycurl,ninemoreminutes/pycurl