stylistic change
moved parseSeperator from Ole.Language.Statement to Ole.Patterns
moved mkKwParser and mkKwExtParser to Ole.Language
Ole.Language.Expression uses mkKwParser now
'Return' is a statement not an expression
mk*SpacedParser now produce parser that consume whitespace only in front
fixed DeclVar parser, based on the changes to Ole.Language
introduced 'Return' statement
doc: updated