pypima/raexperiment.py: Delete old uv-fits before split
pypima/raexperiment.py: More comments in split()
pypima/raexperiment.py: Check if `self.antab` is..

... not None or empty.
pypima/raexperiment.py: _fix_antab()

Fix for WB and EF GAINs.
pypima/raexperiment.py: _fix_antab()

Fix for EF in L-band.
pypima/raexperiment.py: _fix_antab()

Comment out fixes for check.
bin/pima_auto.py
Merge branch 'master' into split
pypima/pima.py: Pima::source_dist()

Fix index.
pypima/pima.py: Pima::source_dist()

Catch ValueError in case fortran number overflow.
pypima/raexperiment.py: _fix_antab()

Add fix for EF C-band channels table
pypima/raexperiment.py: _fix_antab()

Do not fail on P-band.
bin/pima_auto.py: Enable split() to testing
bin/pima_split.py: Use os.path.join
pypima/raexperiment.py: Add copy_uvfits() method.
Merge branch 'split'

Conflicts:
	bin/pima_auto.py