Merge pull request #95 from ianferguson/ianferguson/fix_set_and_get_race

Fix race condition on `Get`

Merge pull request #92 from jamiealquiza/jamie/clenaup

updated examples

Merge pull request #89 from ianferguson/ianferguson/gov1.17

go v1.17 & go mod tidy -v -compat=1.17

Merge pull request #87 from ianferguson/ianferguson/go_mod_compat

Rename packages to match go mod expectations for v2+ modules

Merge pull request #86 from ianferguson/ianferguson/maxsizestat

Max Size MRU/MFU stats/Add go modules

Merge pull request #83 from jamiealquiza/jamie/score-selector

score selection using min/max heaps

Update README.md