New output FITS file naming scheme

[rhandberg]

This PR will change the structure of the file-names output by the photometry to include the TESS camera and CCD in the name.

The issues addressed by this PR are:

1. Avoid duplicate filenames in cases of targets that are observed in overlapping cameras.
2. Enforce unique lightcurves in TODO-file (related to 1).
3. Ensure that naming scheme would work for 8+ years of TESS operation (sectors > 99).
4. Remove duplicate information in TODO-file (starid).
5. Fix issues with targets in overlapping regions potentially marking targets on the other CCD as SKIPPED.

[codecov[bot]]

Codecov Report

Merging #20 into devel will increase coverage by 0.39%. The diff coverage is 95.91%.

@@            Coverage Diff             @@
##            devel      #20      +/-   ##
==========================================
+ Coverage   80.27%   80.66%   +0.39%     
==========================================
  Files          27       25       -2     
  Lines        3619     3594      -25     
==========================================
- Hits         2905     2899       -6     
+ Misses        714      695      -19     

Impacted Files	Coverage Δ
photometry/taskmanager.py	93.18% <85.71%> (+8.53%)	:arrow_up:
photometry/BasePhotometry.py	94.30% <100.00%> (-0.03%)	:arrow_down:
photometry/todolist.py	84.72% <100.00%> (ø)
photometry/utilities.py	76.20% <100.00%> (+0.79%)	:arrow_up:
photometry/prepare.py	85.05% <0.00%> (-0.17%)	:arrow_down:
photometry/image_motion.py	94.51% <0.00%> (ø)
photometry/fixes/time_offset.py
photometry/fixes/__init__.py
... and 2 more

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