chore: bump up to version 0.7.3

chore: prep for 0.7.2 release

chore: prepare for 0.7.1 release

fix: remove unaccessible links in docs

fix: fix pytest assertion on search

fix: called option unwrap on a none value on insert (#91)

hotfix: use default hasher from hashmap module

chore: add changelog for v0.5.0

chore: prep for 0.4.5 release

chore: simplify oasysdb test suites (#80)