- further fixes of inccorect overflow errors for int (and long on LLP64 systems) * prev commit had bugs * added overflow tests for also int, long, long long (for both, lp64 and llp64) - while at it, fixing a reference leak when not using python with utf8 caching

l <- rdcLoad("libc.dylib")
f <- rdcFind(l,"sqrt")
rdcCall(f, "d)d", 144)