issue #17: solve Symbol not found: _sqlite3_enable_load_extension by #ifdef-ing it out by default; erlang-sqlite3 will need configure-esque feature detection via http://www.sqlite.org/c3ref/compileoption_get.html or http://www.sqlite.org/pragma.html#pragma_compile_options
%lld/%llu for 64-bit ints
correct 'Other' double-use
Merge pull request #20 from rflynn/master

minor bugfixes