add service models manager to keep track of db tables of service in use

[VertexC]

Also update the Base.metadata object for table scheme change.

[pep8speaks]

Hello @VertexC, Thank you for updating the PR!

• In the file tests/testAppBase.py:

Line 19:1: E402 module level import not at top of file

Comment last updated at 2019-08-11 20:38:02 UTC

[codecov]

Codecov Report

Merging #33 into master will increase coverage by 1.79%.
The diff coverage is 78.21%.

@@            Coverage Diff             @@
##           master      #33      +/-   ##
==========================================
+ Coverage   47.45%   49.24%   +1.79%     
==========================================
  Files          23       24       +1     
  Lines        1730     1799      +69     
==========================================
+ Hits          821      886      +65     
- Misses        909      913       +4

Impacted Files	Coverage Δ
mod_config/forms.py	80.26% <100%> (ø)	⬆️
mod_config/controllers.py	43.7% <75.92%> (+7.79%)	⬆️
pipot/services/ServiceModelsManager.py	80% <80%> (ø)
pipot/services/ServiceLoader.py	54.23% <81.81%> (+2.31%)	⬆️

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[VertexC]

fix PiPot/PiPot#2