PR for v.1.3.1

[hcpchris]

• BUGFIX: Fixed incorrect style property deserialization in certain places (Closes xAxis.labels.style isn't applying styles correctly #82 ).

[codecov]

Codecov Report

Merging #83 (0280157) into master (454335a) will decrease coverage by 0.01%.
Report is 1 commits behind head on master.
The diff coverage is 90.76%.

@@            Coverage Diff             @@
##           master      #83      +/-   ##
==========================================
- Coverage   90.50%   90.50%   -0.01%     
==========================================
  Files         206      206              
  Lines       27815    27854      +39     
  Branches     1889     1889              
==========================================
+ Hits        25175    25208      +33     
- Misses       1926     1932       +6     
  Partials      714      714              

Files Changed	Coverage Δ
highcharts_core/options/loading.py	90.74% <60.00%> (-7.18%)	⬇️
highcharts_core/options/no_data.py	94.73% <60.00%> (-3.42%)	⬇️
...hcharts_core/global_options/language/navigation.py	100.00% <100.00%> (ø)
...ghcharts_core/options/annotations/label_options.py	87.74% <100.00%> (+0.12%)	⬆️
highcharts_core/options/axes/labels.py	93.23% <100.00%> (+0.11%)	⬆️
highcharts_core/options/axes/title.py	94.66% <100.00%> (+0.10%)	⬆️
highcharts_core/options/chart/__init__.py	92.42% <100.00%> (+0.04%)	⬆️
highcharts_core/options/legend/bubble_legend.py	97.73% <100.00%> (+0.02%)	⬆️
highcharts_core/options/legend/navigation.py	100.00% <100.00%> (ø)
highcharts_core/options/legend/title.py	100.00% <100.00%> (ø)
... and 1 more