* VM is able to handle basic runtime errors although there is no way to
catch this in executing code currently
* If a function is called with the wrong number of arguments (arity) it
will invoke a runtime error.
Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
Some instructions are currently implemented. Others are not. This is
mostly just a checkpoint so I can implement lexical name definitions.
Signed-off-by: Alek Ratzloff <alekratz@gmail.com>
