Added rateLimitedRequest
* Limits calls to every URL with timeout
* TODO: Replace urlopen and request calls with rateLimitedRequest
Replaced all HTTP requests with rateLimitedRequest
Merge pull request #25 from rblstr/ratelimit

Add rate limiting to external HTTP requests
Updated hot sort to align with Reddit's new _hot sort
fixes #24
Merge pull request #26 from rblstr/hot-sort

Updated hot sort to align with Reddit's new _hot sort
Merge remote-tracking branch 'origin/dev' into autocomplete

Conflicts:
	flock.py
	tests.py