Allow to pass array as tipProps

[tolads]

fixes #450

[codecov-io]

Codecov Report

Merging #451 into master will increase coverage by 0.17%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #451      +/-   ##
==========================================
+ Coverage   83.47%   83.64%   +0.17%     
==========================================
  Files          10       10              
  Lines         478      483       +5     
  Branches      113      115       +2     
==========================================
+ Hits          399      404       +5     
  Misses         79       79

Impacted Files	Coverage Δ
src/createSliderWithTooltip.jsx	96.55% <100%> (+0.55%)	:arrow_up:
src/index.js	100% <0%> (ø)	:arrow_up:

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[yoyo837]

Rebase please.