New: intrinsic metadefinitions
New: Feature functions with parameter
New: Error reporting: DumpPrintText for context classes
CHange: class Sign replaced by Minus and Plus
Improved: symbol search in context classes
Language: implementation of prefix operations postponed
Language: dot (.) is now list deliniter
Language: caret (^) is now argument symbol
Language: doublecaret (^^) is now context symbol
Language: "<:=>" is now symbol for "enable reassign"
Refactor: Renaming, Formatting