- The dom.t tests were segfaulting because they used a blank Context with no arguments, and when the DOM referecne 'context.program' was queried, it failed because there was no Context::args[0].
- Eliminated '#include "x"' by changing all to '#include <x>'.
- Added more variables. - Removed unnecessary API.
- Stubbed shell of DOM, with limited support for 'system....'. - Added unit tests.