Release 0.5.3

[Jauntbox]

0.5.3 release

Bug fixes:

• Threshold metrics calculation fix when unseen labels are present #293
• DataCutter-related fixes for multiclass #263
• Fixed onSetInput so is always called with new input #280

New features / updates:

• Improved test SmartTextMapVectorizerTest #296
• Add check to raw feature filter for removing all features #303
• Spec-ifying ngram similarity tests #299
• Add random test feature generator to generate datasets with features of all types #298
• Spec-ifying NGramTest #297
• Added base spec for testing Spark wrapping transformers #295
• Add/upgrade string indexing tests #294
• Improved multi pick list map vectorizer test #292
• Improvements of Vectorizer tests #291
• Updated TextMapPivotVectorizerTest to use OpEstimatorSpec #290
• Update TextTokenizerTest to use OpTransformerSpec #289
• Add test for RealNNVectorizer #288
• Improved OPCollectionHashingVectorizerTest test #286
• Created new tests for OpCollection #285
• Update names of transformer tests and files to match class names #284
• Improved test by extending OpTransformerSpec #283
• Skip writing empty stages & skip loading stages without uid-s #282
• Skip serializing estimators + fix test + added empty data transform test #281

Dependency updates:
N/A

[codecov]

Codecov Report

Merging #305 into master will decrease coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           master    #305      +/-   ##
=========================================
- Coverage   86.47%   86.4%   -0.07%     
=========================================
  Files         322     322              
  Lines       10572   10572              
  Branches      566     566              
=========================================
- Hits         9142    9135       -7     
- Misses       1430    1437       +7

Impacted Files	Coverage Δ
.../scala/com/salesforce/op/dsl/RichListFeature.scala	71.42% <0%> (-14.29%)	⬇️
...sforce/op/stages/impl/feature/Transmogrifier.scala	96.9% <0%> (-1.13%)	⬇️
...om/salesforce/op/stages/impl/tuning/Splitter.scala	97.72% <0%> (ø)	⬆️

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[tovbinm]

Please update the description on the PR with the contents of the change log for 0.5.3