tree.h: Added for RB_TREE
Added memory.c akl_new_* and akl_free_* functions and the lexer
(lexer.c)
aklisp: Added main files
memory.c -> gc.c
Added CMake generated makefile, to work without CMake
lexer: test EOF
gc: Disabled GC, modified *_new_list() give back non-nil value
aklisp.c: Added akl_eval_program()
Added install target to makefile
Do not duplicate strings for builtin functions
Do not try to free names and descriptions for builtins.
Fixed range regressions
Lexer: Minus, plus number handling fixed
SIGSEGV errors fixed, when the atom not found in the tree
New zerop predicate
Oops, TRUE_VALUE is not NIL...
aklisp.h: Define __unused only when it not defined earlier
Increment the string_count and number_count fields
Makefile: cmake in the /usr/bin/cmake folder
New index function