Issue #459 missing modules

[Thetwam]

Addresses #459 by altering the import strategy for files, and adding a script to ensure inspect has the ability to see all the modules.

Proposed Changes

• Add script find_missing_modules that compares the files in the canvasapi dir against the modules that inspect finds, then fails and warns which modules appear to be missing. (This affects the alphabetic and find_missing_kwargs scripts)
• Move a bunch of imports from function scope to top of file (note: cannot move all imports as-is due to circular imports)
• Add missing kwargs in newly-detected files
• Alphabetize functions to comply with alphabetic in newly-detected files
• Some formatting tweaks

Fixes #459

[Thetwam]

Added missing **kwargs

[Thetwam]

Functions now in alphabetical order.

[codecov[bot]]

Codecov Report

Merging #559 (c5bca1d) into develop (25551d3) will not change coverage. The diff coverage is 100.00%.

@@            Coverage Diff            @@
##           develop      #559   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           67        67           
  Lines         3565      3511   -54     
=========================================
- Hits          3565      3511   -54     

Impacted Files	Coverage Δ
canvasapi/account.py	100.00% <100.00%> (ø)
canvasapi/authentication_provider.py	100.00% <100.00%> (ø)
canvasapi/canvas.py	100.00% <100.00%> (ø)
canvasapi/conversation.py	100.00% <100.00%> (ø)
canvasapi/course.py	100.00% <100.00%> (ø)
canvasapi/enrollment_term.py	100.00% <100.00%> (ø)
canvasapi/external_tool.py	100.00% <100.00%> (ø)
canvasapi/group.py	100.00% <100.00%> (ø)
canvasapi/login.py	100.00% <100.00%> (ø)
canvasapi/module.py	100.00% <100.00%> (ø)
... and 6 more

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