- Added defualt value for hash = 0 (Returns this when key is not in hash) - Added a setter which deletes a key if the value is = 0 - Revamped sparseMerge! for this
- Added defualt value for hash = 0 (Returns this when key is not in hash)
- Added a setter which deletes a key if the value is = 0
- Revamped sparseMerge! for this

ryant26/SparceMatrices