expand_datatype():   use the colon :syntax for tags, looks better, easier to read build_literal():   removed 'comma' hack, was broken anyway
expand_datatype():
  use the colon :syntax for tags, looks better, easier to read
build_literal():
  removed 'comma' hack, was broken anyway


samrushing/irken-compiler,samrushing/irken-compiler,samrushing/irken-compiler,samrushing/irken-compiler