Fixed render of months when toMonth and numberOfMonth are passed

[hydrognomik]

This PR for #543. In case when toMonth and numberOfMonth are passed to DayPicker and toMonth earlier or equals currentMonth moves currentMonth so toMonth rendered last.

[codecov]

Codecov Report

Merging #556 into master will not change coverage.
The diff coverage is 100%.

@@          Coverage Diff          @@
##           master   #556   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files          15     15           
  Lines         558    562    +4     
  Branches      118    120    +2     
=====================================
+ Hits          558    562    +4

Impacted Files	Coverage Δ
src/DayPicker.js	100% <100%> (ø)	⬆️

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[gpbl]

Thanks again!! I think we should add a test case for it :)

@hydrognomik do you have the time for this while I'm closing the other issues for the v6.3 release?

[hydrognomik]

Yes, sure.

[gpbl]

Thanks @hydrognomik for the help! You are great!

[gpbl]

Published in v7!

[leojh]

Verified!