simpler handling for |with $ as name

Merge branch 'cs-closure'

Merge pull request #4 from cseufert/cs-closure

Version 3 - Compile to Closure, and execute with local Scope and Context

Fix failing test (escaping)

make float in floatliteral field public

Added types, min PHP version is now 8.0

parse all params to hamleGet

fixed sort order for model by id

added support for html escaped greater and less than symbols

relaxed spaces in $() expr