add readme
add version 01
whitespace
reuse names
simplify wsp, allow comments only on new lines
regular_identifier accepts also _
simplify regular_identifier, fixes TODO
extend identifier-chars with TODO

missing TODO (from another specification)

// TODO: we should allow the dot!
// TODO: allow the square brackets (RFC 2960)
// TODO: allow parenthesis
// TODO: allow slashes and < and > (draft on shim6)