Added to main doc, changes in lexer and world
Some more data added to main document.
Changed a bit lexer.bin, main.y now there is a variable that switches function argument sending.
There is stull a bug persistant where function defenitions are not properly recognized.
Removed some memory leaks and inpropper use on World side.
avl tree now properly assigned.
Added some new keywords ( see diff for keyword_table.txt