new operators: vector(int, byte) - int -> works like py's list[0:-int] vector(int, byte) : int -> works like py's list[int:] new functions: fileRead, fileWrite, fileExists, bytesToStr
new operators: vector(int, byte) - int -> works like py's list[0:-int] vector(int, byte) : int -> works like py's list[int:] new functions: fileRead, fileWrite, fileExists, bytesToStr