Don't catch ProblemDefinitionError in MPCQP constructor

[stephane-caron]

Closes #11

[coveralls]

Pull Request Test Coverage Report for Build 19436111462

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 79.434%

---

Totals
Change from base Build 19435947277:	0.3%
Covered Lines:	421
Relevant Lines:	530

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 19435911929

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 79.545%

---

Totals
Change from base Build 19435878418:	0.3%
Covered Lines:	420
Relevant Lines:	528

---

💛 - Coveralls

[coveralls]

Pull Request Test Coverage Report for Build 19435974098

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 2 of 2 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.3%) to 79.434%

---

Totals
Change from base Build 19435947277:	0.3%
Covered Lines:	421
Relevant Lines:	530

---

💛 - Coveralls