Release 0.4.3

[mcgarth]

Added +++++

• Ability to define the order of steps in the process workflow (default order unchanged).

Fixed +++++

• Nil

Changed +++++++

• prepifg output interferograms are saved as read-only files.
• process makes a writable copy of the prepifg output data at the beginning of each run.
• The selected reference pixel is saved to disk and re-used on subsequent process runs.
• Saving of incremental time series (tsincr) products is optional, controlled by the savetsincr configuration parameter (default is on).

Removed +++++++

• Removed obsolete InSAR terminology from code, docs and test data (changed to first and second images).
• Stopped using unittest unit test framework in favour of exclusively using pytest.

[codecov-commenter]

Codecov Report

Merging #283 into master will decrease coverage by 2.46%. The diff coverage is 91.16%.

@@            Coverage Diff             @@
##           master     #283      +/-   ##
==========================================
- Coverage   93.17%   90.71%   -2.47%     
==========================================
  Files          26       26              
  Lines        3207     3305      +98     
  Branches      495      514      +19     
==========================================
+ Hits         2988     2998      +10     
- Misses        137      215      +78     
- Partials       82       92      +10     

Impacted Files	Coverage Δ
pyrate/default_parameters.py	100.00% <ø> (ø)
pyrate/prepifg.py	53.17% <33.33%> (-44.45%)	:arrow_down:
pyrate/core/algorithm.py	91.01% <66.66%> (ø)
pyrate/core/gamma.py	92.78% <75.00%> (-5.16%)	:arrow_down:
pyrate/core/orbital.py	88.31% <80.00%> (-7.39%)	:arrow_down:
pyrate/core/refpixel.py	87.26% <86.36%> (-4.55%)	:arrow_down:
pyrate/core/ref_phs_est.py	88.80% <88.09%> (-6.81%)	:arrow_down:
pyrate/configuration.py	97.91% <88.88%> (-2.09%)	:arrow_down:
pyrate/core/timeseries.py	89.57% <89.18%> (-0.95%)	:arrow_down:
pyrate/core/shared.py	95.26% <96.29%> (+0.01%)	:arrow_up:
... and 14 more

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[mcgarth]

Thanks for your reviews @adeane-ga @chandra2ga @tfuhrmann