Data-CAT 0.3.0

[BvB93]

• Overhauled the .pdb storage system.
• Introduced the PDBContainer class.
• Renamed dataCAT.database_functions to dataCAT.functions.

[codecov]

Codecov Report

Merging #25 into master will increase coverage by 1.77%.
The diff coverage is 90.82%.

@@            Coverage Diff             @@
##           master      #25      +/-   ##
==========================================
+ Coverage   85.02%   86.79%   +1.77%     
==========================================
  Files           7        8       +1     
  Lines         641      939     +298     
  Branches       92      143      +51     
==========================================
+ Hits          545      815     +270     
- Misses         74       92      +18     
- Partials       22       32      +10     

Impacted Files	Coverage Δ
dataCAT/functions.py	81.73% <71.15%> (ø)
dataCAT/database.py	76.60% <80.00%> (-0.50%)	⬇️
dataCAT/pdb_array.py	95.11% <95.11%> (ø)
dataCAT/__init__.py	100.00% <100.00%> (ø)
dataCAT/__version__.py	100.00% <100.00%> (ø)
dataCAT/create_database.py	96.74% <100.00%> (+0.70%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update e967c1c...42a3b1e. Read the comment docs.

[BvB93]

Note to self:
Certain doctests (e.g. PDBContaoner.__eq__()) seem to be failing without any obvious reason.
Moving aforementioned tests to a tests/ fixed the issue.