Update Alan LangDef: v2.0.0
This commit fixes some keywords issues and improves the syntax:
- kwd-ID 1: Add missing Keywords:
indirectly
,meta
,transitively
. - kwd-ID 2: Add missing Prefefined Classes:
literal
,string
. - Add new keywords group (ID 3) and move
hero
into it (from kwd-ID 2). For more details on these changes, see discussion with Alan develepor Thomas Nilefalk (@thoni56) at: https://github.com/alan-if/alan-docs/issues/15 https://github.com/alan-if/alan-docs/issues/17