COMMON: import proper ulong = std::size_t from STL
SRZ: remove unused variable from serialize_fix_cont
MISC: allow setting encoding name in str2wstr/wstr2str and export to Python
temporary fix (bs int data types)
fix encoding issues
COMMON: move BS ulong & uint definition into blue_sky namespace
MISC: switch bakc to using proper wstring <-> string conversions using boost::locale
Fix single static UTF-8 std::locale creation on first function entry and create
static global locale generator instead.
MISC: unused code cleanup