Finalize support for STATUS/URL

[tresni]

This adds the necessary tests for #68 and rebases on latest master.

Fixes #68

[codecov]

Codecov Report

Merging #92 (0edd8b9) into master (c151e7c) will increase coverage by 0.27%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #92      +/-   ##
==========================================
+ Coverage   87.60%   87.87%   +0.27%     
==========================================
  Files           4        4              
  Lines         355      363       +8     
  Branches       92       94       +2     
==========================================
+ Hits          311      319       +8     
  Misses         21       21              
  Partials       23       23              

Impacted Files	Coverage Δ
icalevents/icalparser.py	88.19% <100.00%> (+0.35%)	⬆️

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[eigenmannmartin]

Awesome work!