Profiler
* Structured Profiler can now take in duplicate columns 315
- this is an api Change to access to the data in the report, data_stats is now a list
* Categorical Profile now includes top 5 counts 299
* Add new categorical statistics: gini impurity and unalikeability 308, 320
* Unstructured Data Labeler profile now includes entity percentages 305
* Add Pearson's correlation to the Structured Profiler 281, 307, 317
* Unstructured Profiler Text vocab now outputs a top k highest vocab counts 304, 314
Runtime Changes
* Categorical Profiler keeps an internal count of categories 296
* Text in Unstructured profiler now keep a count of vocab 304
* Data Reader's `is_match function can now take in StringIO/ByteIO 292 ,306, 326
Bug fixes
* Bug fix to make sure samples being stored by UnstructuredProfiler save 313
Other Changes
* Documentation on contributions added 310, 311, 312, 333,
* Github Pages updated 309, 316, 322, 323, 329, 330, 331, 334