TISBL in JS for the web browser.
Readme
Whoops, forgot to implement \in
Merge pull request #1 from elmindreda/master

Added Ruby implementation
Merge pull request #2 from elmindreda/master

Corrected implementation of \load.
Merge pull request #3 from elmindreda/master

Various fixes for Ruby implementation
BBC BASIC
Readme fix
Catch stack underflows
Watch for duplicate verbs
Add a screenshot because why not