Replaces print diagnostics by proper logging.
Makes logging a bit more consistent.
Merge branch 'master' into logging

Conflicts:
	evoMPS/mps_uniform.py
	evoMPS/mps_uniform_pinv.py
	evoMPS/tdvp_common.py
	evoMPS/tdvp_uniform.py
Small fix for logging call.
Merge branch 'master' into logging
Merge branch 'master' into logging

Conflicts:
	evoMPS/mps_uniform.py
	evoMPS/tdvp_uniform.py
Fix botched merge.
Merge branch 'master' into logging

Conflicts:
	evoMPS/mps_uniform.py
	evoMPS/tdvp_uniform.py
Merge pull request #8 from mlewe/logging

Merge Logging