Support Xcode specificed parameters

[mylifeasdog]

Supporting Xcode related parameters.
https://docs.codecov.io/docs/about-the-codecov-bash-uploader#arguments

[codecov]

Codecov Report

Merging #174 (c047d59) into master (d9b5cc1) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #174   +/-   ##
=======================================
  Coverage   87.50%   87.50%           
=======================================
  Files           2        2           
  Lines          16       16           
  Branches        2        2           
=======================================
  Hits           14       14           
  Misses          2        2           

Flag	Coverage Δ
unittest	87.50% <ø> (ø)

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[thomasrockhu]

fixes #76