Implemented to_json/from_json roundtrip bugfix. Closes #169.

Author: hcpchris

highcharts_core/options/series/data/base.py

@@ -704,6 +704,8 @@ def from_array(cls, value):
 
         if checkers.is_type(value, 'DataPointCollection'):
             return value
+        elif isinstance(value, dict) and 'dataPoints' in value:
+            return cls.from_list(value['dataPoints'])
 
         return cls.from_list(value)