HLL original w/o linear counting
Linear counting for short range bias and caching of count added
long range bias added. code comments added.
added merge(), serialization and deserialization to/from base64 string. supports more types.
Added utils for HLL serialization. Base64 + Bitpacking
Added utilities for bitpacking of HLL registers
added some junit tests
graphs module added. HLL full serialization/deserialization added.
equals() and hashcode() for HLL
HLL register moved to separate class. Caching of max, number of zeroes, inverse power of 2 added.
removed graphs module. improved add() api in HLLRegister
added tests for sparse representation's encodeHash()
added sort compartor for temp list
added sparse list implementation using fastutil's Int2ByteSortedMap (AVL treemap)
added merging of dense and sparse registers
More tests added. Made some adjustments to SPARSE to DENSE encoding threshold.
added HLLNoBias algorithm using bias lookup table
added LICENSE and updated src files with license header
code cleanup and added comments
added hyperloglog cli tool