Added DEFUN and DEFMACRO
Added parsing of keyword arguments
Added some string functions.
Fixed STRING-LEFT. Added STRING-TO-VECTOR.
Added string tests.
Reformatted the license file as comments
Added some temporary vector types.
Fixed the way in which tests are loaded.
Wrap around the reader when testing.
Added array types
Added reader macro for Lush arrays.
Added test for string-to-vector
Reordered the files so that array types are defined before the array reader.
Added tests for array reader
Group tests by sections
Added more string tests
Added STR-INSERT
Implemented STR-SUBST
Implemented STR-DEL
Implemented STR-JOIN