-- Removed redundant pattern matches in Compiler.scala.
-- Refactored the source tree.

Signed off by: Mark Farrell<markfarr2011@gmail.com>
-- Began work on making the rules for creating nodes and edges more
well-defined.

Signed off by: Mark Farrell<markfarr2011@gmail.com>
-- Improved support for finding predicates and arguments in phrases
with coordinating conjunctions.

Signed off by: Mark Farrell<markfarr2011@gmail.com>
-- Almost done rewriting the compiler, so that every edge is a predicate
function taking node arguments.
-- Beginning to formulate a paper in README.md.

Signed off by: Mark Farrell<markfarr2011@gmail.com>