Added the Cycle().feed() method and the Cycle().overflow_cycle attr.
Merge branch 'master' into feed_cycle

Conflicts:
	backup/controller.py
Removed faulty and redundant import.
Fixed feed cycle when intermediary cycle keeps 0 snapshots.
Fixed bug in integration test step.
Implemented snapshot crossfeed between cycles logic.
Adjusted debug message in config module.
Merge branch 'feed_cycle'
Fixed unit test that fails since 6ebd632.
Updated README.rst with number of unit tests.
Version bump to 1.1.0.