Assigning an ID to the Beak's canvas
Removing unnecessary braces
Minor spacing correction
Streamlining code for common uses of Tortoise compiler
Adding standalone Tortoise pages (fixes #74)

It's primitive and not-quite-elegant, but it does the necessary thing.  I suspect that the inelegance is unlikely to matter for the time being, since such a feature shouldn't need to be used frequently, anyway.
Adding page for easily creating standalone Tortoise pages