0.4.0

Removing the use of written operators <=> and using comparators, fixing #2.

0.3.0

Added heap select and fixed several corner issues when iterators are random access and have a small difference type

0.2.1

Fix #1 and mark all header functions as inline to avoid ODR violations

0.2.0

Fix the namings of the functions to comply with the API

0.1.0

Fix several warnings and for now give up a bit on non copyable compar…