### TODO
* Remove use of standard libraries (std::basic_string, std::vector, std::map)?
* Use explicit allocator for QuantityArray?
* Add test for conflicting aliases in allOf set
* Add test for array of strings & complex
* Allow for different character types in Ply & ObjWavefront classes
* Add units to ply/obj
* Store scalars in standard yggdrasil data
* Version yggdrasil storage format
* Update yggdrasil data format to have human readable header

### IN PROGRESS
* Add docstrings to new methods

