Redid docs for HTTP API to reflect current status

[ttmc]

Partially addresses Issue #149 by updating the HTTP API docs to reflect the current status of that API.

[codecov-io]

Current coverage is 83.86%

Merging #150 into develop will increase coverage by +83.86% as of 799176b

@@            develop    #150   diff @@
=======================================
  Files             0      19    +19
  Stmts             0     917   +917
  Branches          0       0       
  Methods           0       0       
=======================================
+ Hit               0     769   +769
  Partial           0       0       
- Missed            0     148   +148

Review entire Coverage Diff as of 799176b

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[r-marques]

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