tinytoml

Remove continue statements that don't appear to be working (#54)

update based on log history, it seems the two recent tweaks for Windows based systems interacted badly, so this change makes sure they both can't turn on at the same time on MSVC (#41)

clear up some wShadow warnings from gcc4.9 (#42)

Fix calls to isalnum() and isalpha() to prevent negative inputs. (#38)

Provide a way to replace failwith (#34)