* Added support for stroffsetsptr class in Dwarf stdlib

* Proper initializion of debug_str_offsets in DwarfInfo

* Added missing null initializer to DwarfInfo in Macho

* Added missing is_64 field to getAttrString in DwarfInfo

* Fixed formatting

* Added missing is_64 param to getAttrString

* Added required cast to usize

* Adding missing .debug_str_offsets initialization

* getAttrString now uses the str_offsets_base attr