[*] Module names for REQUIRE made case insensitive.
[+] Added trigonomery module with sin, cos, tan, ctg, sec, csc
[*] "<" gets more than 2 arguments
[+] Added ">"
[-] Removed unused classes
[*] Fixed dot notation '(12 . 34)
[+] Added LispSpecialSymbol for AND and OR local LETted symbols, but looks like this doesn't needed
[*] Fixed behaviour for registered primitives - test for (and t t t t)
[*] Changed mechanizm of storing builtin function (now there is not a (:PRIMITIVE LispPrimitive) but LispPrimitive)
[+] Added (setf (car ?)) and (setf (cdr ?)) primitives