Implement student-project allocation problem

[coveralls]

Pull Request Test Coverage Report for Build 18

• 220 of 220 (100.0%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.1%) to 99.815%

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Totals
Change from base Build 111:	0.1%
Covered Lines:	540
Relevant Lines:	541

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💛 - Coveralls