Include source comments in generated output

[marcoferrer]

This PR resolves issue #85

[codecov-io]

Codecov Report

Merging #86 into master will decrease coverage by 0.65%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master      #86      +/-   ##
============================================
- Coverage     85.62%   84.96%   -0.66%     
  Complexity       19       19              
============================================
  Files            15       15              
  Lines           306      306              
  Branches         49       49              
============================================
- Hits            262      260       -2     
- Misses           15       16       +1     
- Partials         29       30       +1

Impacted Files	Coverage Δ	Complexity Δ
...otoplus/coroutines/client/ClientBidiCallChannel.kt	91.3% <0%> (-4.35%)	0% <0%> (ø)
...rcoferrer/krotoplus/coroutines/call/FlowControl.kt	83.33% <0%> (-3.34%)	0% <0%> (ø)

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