34 sharedoptions to options should throw exception

[hcpchris]

• ENHANCEMENT: Added a catch for when trying to set Chart.options to a SharedOptions instance (closes chart.to_js_literal() Generates extra ; for chart options #34).
• Fixed a broken link in the documentation.

[codecov]

Codecov Report

Merging #35 (5435096) into develop (d5186fc) will increase coverage by 0.01%.
The diff coverage is 94.44%.

@@             Coverage Diff             @@
##           develop      #35      +/-   ##
===========================================
+ Coverage    90.74%   90.75%   +0.01%     
===========================================
  Files          196      196              
  Lines        25005    25014       +9     
  Branches      1629     1634       +5     
===========================================
+ Hits         22690    22701      +11     
+ Misses        1690     1688       -2     
  Partials       625      625              

Impacted Files	Coverage Δ
highcharts_core/options/series/base.py	74.44% <90.90%> (+1.47%)	⬆️
highcharts_core/chart.py	35.67% <100.00%> (+0.79%)	⬆️
highcharts_core/utility_functions.py	35.96% <100.00%> (ø)

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