- First version. Released on an unsuspecting world.
- change Type module a lot – basically breaks all existing code
- remove Data.* modules, they should be in a separate package (and will have to be rewritten)
- new type for words allows us to type-check simple words, multi-word tokens, and empty nodes
- remove Data.* modules, they should be in a separate package (and will have to be rewritten) (closes #6 )
- add tagsets to separate modules, to be imported qualified (closes #7)
- add requested parsing and printing functions (closes #9)
- add recovery function to parser (closes #18)
- fix Ord instance for ID
- add stack.yaml files for different GHC versions