Merge upstream

[bcaller]

No description provided.

[codecov-commenter]

Codecov Report

Merging #16 into master will decrease coverage by 0.22%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##             master      #16      +/-   ##
============================================
- Coverage     98.91%   98.68%   -0.23%     
+ Complexity     1880     1818      -62     
============================================
  Files            66       67       +1     
  Lines          5513     4427    -1086     
============================================
- Hits           5453     4369    -1084     
+ Misses           60       58       -2     

Impacted Files	Coverage Δ	Complexity Δ
lib/Component.php	98.67% <ø> (+0.33%)	92.00 <0.00> (-8.00)	⬆️
lib/Component/VAvailability.php	100.00% <ø> (ø)	13.00 <0.00> (ø)
lib/Component/VCalendar.php	94.59% <ø> (-0.35%)	64.00 <0.00> (-13.00)
lib/Component/VEvent.php	100.00% <ø> (ø)	11.00 <0.00> (ø)
lib/Component/VFreeBusy.php	100.00% <ø> (ø)	9.00 <0.00> (ø)
lib/Component/VJournal.php	100.00% <ø> (ø)	7.00 <0.00> (ø)
lib/Component/VTodo.php	100.00% <ø> (ø)	31.00 <0.00> (ø)
lib/FreeBusyGenerator.php	98.10% <ø> (-0.07%)	90.00 <0.00> (-5.00)
lib/Node.php	100.00% <ø> (ø)	10.00 <0.00> (ø)
lib/PHPUnitAssertions.php	91.66% <ø> (ø)	7.00 <0.00> (-6.00)
... and 79 more

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