Some additional coding guidelines
Switch to httplib/http.client to allow for better timing of latency, results may be slightly higher than previous, but more reliable
Add section about inconsistency in README.rst
Prevent a redirect and use the final URL
If we got bogus XML that can't be parsed, provide a better error message instead of a trace. Fixes #77
Fixes sivel/speedtest-cli#76
Merge pull request #79 from McBochi/devel

Use timeit instead of time to prevent inconsistencies in the time module with various operating systems.
Some people may be relying on matching Ping, don't change this yet
Reorder some imports
Bumping version to 0.3.0