Remove debugging lines that do not compile on OSX 10.9

std:strtod is missing on 10.9 for some reason. However,
since this is only used for a debugging message when a
bad message is passed no real reason to keep it and
fight.
Suppress some clang warnings

Clang has more conservative static code checking. These
changes are cosmetic but suppress some warnings.
Suppress more benign clang warnings about  casting

Clang was sensitive to the potential mismatch between uint64_t
unsigned long. Added a cast to suppress this warning.
Fancyprint can crop datatype to 32 bits
Restore Fancyprint

* Incorrect format specifier introduced in a705b61
Merge pull request #7 from datajoint/osx_109_fixes

OSX 109 fixes