Refactor constant children handling in indexed fault tree functions.
Update readme with the warning about the documentation driven
development.
Refactor module detection functions in indexed fault tree.
Separate functions that output to standard out from a file.
Add a test of SCRAM call for graphing instructions to standard out.
Refactor cut set generation code to lower the cyclomatic complexity.
Update Lizard report and add code comments.
Update performance tests and logs.
Merge branch 'develop' into coverity-scan

Conflicts:
	README.rst
	doc/api_ccn.txt
	doc/speedlog.txt
	tests/test_scram_call.py