release-0.7

• Updated how comments are handled (beginning with "#" or "//").
  • Reported in #27, resolved in #28.
• Continue execution after encountering bare literals.
  • Reported in #30, resolved in #31.
  • NOTE: This is not what "real TCL" does, that would show an error.
• Quote the return value from repeat and for
  • This stops output from being executed, as reported in #29.
  • Fixed in #32.
• Test case coverage has been returned to 100%.