Use default logger rather than throwing
Initialize class members in case they are not

This is to avoid undefined member errors later
if this method throws an exception
More detailed logging
Basic spec setup
Retrieve organization members for ORG users
Merge branch 'master' of github.com:gousiosg/github-mirror

Conflicts:
	lib/ghtorrent/commands/ght_retrieve_user.rb
	lib/ghtorrent/ghtorrent.rb
Remove daemon mode

Never used hence never debugged
Sleep for a few more seconds

When sleeping for exactly the number of seconds
Github specifies, we usually end up doing a double
sleep as our request goes to Github before it
resets its counters.
Tests for the new sleeping behaviour
Merge branch 'master' of github.com:gousiosg/github-mirror

Conflicts:
	lib/ghtorrent/commands/ght_load.rb
	lib/ghtorrent/commands/ght_retrieve_user.rb
	lib/ghtorrent/ghtorrent.rb