Added Entity Framework

delete fix

quick fix

Merge pull request #45 from Mantas-Pimpe/kestutisfixesbranch

some basic delegate usage

removed more unnecessary code

anonymous method + regex testing

compiler fix + anonymous method

exceptions and config file usage

aggregate function

removed more obsolete code

Merge pull request #43 from Mantas-Pimpe/kestutisfixesbranch

Merge pull request #44 from Mantas-Pimpe/KlausimoPaieskosBranch

Merge branch 'KlausimoPaieskosBranch' of https://github.com/Mantas-Pimpe/StudentForYou into KlausimoPaieskosBranch

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