[Minor] Lua logging improvements

[Minor] Lua logging improvements
 * Simplify lua_logger_out_str(), fix length check when doing hex output
 * Add lua_logger_out() with embedded lua_logger_trace struct
 * Replace high level lua_logger_out_type() calls with lua_logger_out()
 * Remove unused lua_logger_trace struct references
 * Include string terminator into buffer length checks, adjust affected places accordingly