LEAP TODO List 1.202

There is still a lot of work to be done to LEAP. Here is a brief overview
of the work still to be done to this, the Unix version of LEAP, in no
particular order:

* Indicies
* NULLs
* Outer joins.
* Additional data types (real in particular)
* Type checking.
* Parser based on lex/yacc. (See src/parser for a start!)
* Optimisation code 
* Optimisation configuration to allow users to define optimisation 
  strategy.
* Remove need for config/vars - Include in a relation.

See the LEAP home page for current development efforts.
http://www.dogbert.demon.co.uk/leap.html
