v0.3.0 - Abseil & Heterogeneous Lookup

Feature Overview

• Cachemere now depends on Abseil for hashing and internal containers.
• Hashers can be customized statically via a new template parameter
• Support for heterogeneous lookup was added

What's Changed

• Allow custom hashers and switch to abseil structures by @dalloriam in #30
• Support Heterogeneous Lookup by @dalloriam in #31
• Small fixes ahead of release by @dalloriam in #32
• Release 0.3 by @dalloriam in #33
• Fix documentation generation for custom keys by @dalloriam in #34

Full Changelog: v0.2.3...v0.3.0