Nice little library for vectors. Frequently you want to see the vector as text (10.3,104.88) including to the parenthesis to a vector to string would be nice. Also, you should be able to round your vector to integers, calculate a right angle unit vector.
You should be able to put your vector into an array object and retrieve it from an array object
in case your function returns the UID of an array.
Sometimes you want to return a vector from a function and you only get one string argument so you need to be able to send your vector to a string and extract it just the x and just the y or the UID of an array that contains x and y.
Just some suggestions.
Nice start.