Started work on combining veers84 with coherence calcs.
Finished debugging tslib.f95 lowmem version. Began adding documentation throughout.
Saving changes to master prior to lowmem-branch merge.
Merge branch 'lowmem'

Conflicts:
	pyts/base.py
	pyts/cohereModels/main.py
	pyts/main.py
	pyts/tslib/tslib.f90