bump version to 0.6.1

v0.4.1 w/ support for crystal 1.0.0

bump 0.6.0

Mention jbuilder support and bump version to 0.5.0 (#21)

* Mention jbuilder support in README.md

* bump 0.5.0

remove temel spec for now, bump version

bump version

bump 0.3.2

bump 0.3.1

Added slang adapter + specs, reorganized specs and adapters

don't test with slang