v0.4.3

CUDSS v0.4.3

Diff since v0.4.2

Merged pull requests:

• Allow refactorization if a Cholesky factorization fails due to indefiniteness (#68) (@amontoison)
• Support the parameter memory_estimates (#69) (@amontoison)
• [documentation] Add new pages (#70) (@amontoison)
• Add unit tests for the batched solvers (#71) (@amontoison)