Merge tag '0.0.1' into develop

Version 0.0.1
fix: switch to MIT license
feat: add ColorHistogramFeatureExtractor
style: remove debugging prints
feat: color histogram feature extraction CLI
feat(text): add text pre-processing
fix(setup): add missing requirements
feat(text): add TFIDF transformer
improve: add future imports
doc: add CHANGELOG for v0.0.2
Merge branch 'release/0.0.2'