Significant progress on pointwise overlap correction; using imgCIF axis conventions.
Removed debugging messages
Improved d-spacing treatment; added imgCIF axes; fiddled with treatment
of regain correction.

Conflicts:
	EchidnaReductionUI.py
	Reduction/reduction.py
Replaced some stitching with pythonic expressions. Now works correctly
for previously manipulated datasets.

Conflicts:
	Reduction/reduction.py
Fixed incorrect copy. Still need to speed up.

Conflicts:
	Reduction/reduction.py
Finished removing point-based correction from data reduction.