rename test directory to avoid name clash with Makefile target

fix README showing how tests were run in the automake era

fix last change of mul overflow builtin breaking non-windows compilations

fix code not compiling under windows+mingw

fix wrong types for umul overflow builtins

remove too platform dependent printf tests

implement swap function for list elements - fixes #218

(0) -300 -100 -30 -10 -7 +7 +10 +30 +100 +300 tip

mercurial