various integer size fixen. Some of these are kind of blind narrowing of int types without checking for potential overflow. It doesn't *seem* like any of these will overflow / wrap-around, but it's not impossible.
Merge commit '06ba414a3a67e94c56f2640d947808f80fd4acc3' into feature/armiOS64
more int size fixen
Compiled (or found) a whole bunch of libraries 64 bit.
fixed URL in a README that points to a build script.