Wrap Jacobian_Structure_Constant and Jacobian_Data_Contiguous functions

[odow]

Part of #72

[codecov[bot]]

Codecov Report

Base: 91.32% // Head: 91.57% // Increases project coverage by +0.24% :tada:

Coverage data is based on head (60fcd66) compared to base (0babf9d). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #75 +/- ## ========================================== + Coverage 91.32% 91.57% +0.24% ========================================== Files 3 3 Lines 346 356 +10 ========================================== + Hits 316 326 +10 Misses 30 30 ``` | [Impacted Files](https://codecov.io/gh/chkwon/PATHSolver.jl/pull/75?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Changhyun+Kwon) | Coverage Δ | | |---|---|---| | [src/MOI\_wrapper.jl](https://codecov.io/gh/chkwon/PATHSolver.jl/pull/75/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Changhyun+Kwon#diff-c3JjL01PSV93cmFwcGVyLmps) | `96.72% <ø> (ø)` | | | [src/C\_API.jl](https://codecov.io/gh/chkwon/PATHSolver.jl/pull/75/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Changhyun+Kwon#diff-c3JjL0NfQVBJLmps) | `91.46% <100.00%> (+0.42%)` | :arrow_up: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Changhyun+Kwon). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=Changhyun+Kwon)

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