Root commit.
Added def_list and other basic files.
Beginning of basic dynamic type system implemented.
Began making assoc a wrapper around array.
Basic prototyping of parser in python begun.
Began parsers re-write.
Began work on new file-macro based red-black tree.
Removed handle option from red-black tree.
Lookup, containment, part of insert in rbtree done.
Restructured parsing in prep. for continuations.
Continued working on continuations in parsing.
Messy changes to parser.
Changed default C version to gnu99
Added work on sip24.
Large number of data scruture changes, etc.
Merge branch 'data-structures' into hashing
Merge branch 'parsing'
Merge branch 'master' into data-structures
Fixed push and pop in def_array.
Added new files to src/wscript.