added :type to loadtxt. tweaked LALR to handle strings and keyword symbols
added setf diag function
saving state.
added extended euclid, and redefined arithmetic on (mod n)
added prod method.
added map-tensor! macro, removed old commented macros.
slicing defmacro clause: added type declaration to get rid of style-warnings. scal: added scaldreshape! : before check uses store-size instead of size now\.
added normalize!
got rid of style warning stemming from define-tensor-method. added another class between numeric and real-tensor.
merged integer.lisp back into numeric.lisp.