beoran/ll1: ll1 is a tool that reads in an LL(1) grammar description and checks it, and that, with the help of Go templates can generate code or reports based on those grammars. @ v0.2

Beoran e4f52ec406 WIP Parser works but still has end of file problems.		2 anni fa
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ast.go	e4f52ec406 WIP Parser works but still has end of file problems.	2 anni fa