Use an ordered map during counting phase
Simplify join logic based on sorting
Python implementation of frequent pairs
Rename freqpairs to freqpairs_brute_force
Aprioiri implementation of freqpairs
Compact basket set representation
Test mutation of a BasketSet
Add some iterator types
rename size_t to size_type
Add for_each, stream output
Fix for_each logic
Test for_each
Merge branch 'master' of github.com:7andrew7/FrequentItemset
Fix make test target