WMI Streamlining, Enums, and Timeouts

[dbwiddis]

Fixes #555. Also greatly standardizes and simplifies the query process.

[codecov-io]

Codecov Report

Merging #556 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master     #556   +/-   ##
=========================================
  Coverage     84.28%   84.28%           
  Complexity      194      194           
=========================================
  Files            28       28           
  Lines          1432     1432           
  Branches        209      209           
=========================================
  Hits           1207     1207           
  Misses          105      105           
  Partials        120      120

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