Normalizes line endings and adds a gitattributes file to prevent recurrence of the issue
Corrects some warnings
Corrects the name of EquivalencyAssertionOptions.ComparingEnumsByValue
Adding an overload for ContainSingle() having no arguments  to SelfReferencingCollectionAssertions.
Merge pull request #186 from abatishchev/develop

Adding an overload of ContainSingle() without arguments
Merge pull request #177 from vossad01/NormalizeLineEndings

Normalizes line endings
Merge pull request #188 from vossad01/Issue169/CorrectName

Corrects the name of EquivalencyAssertionOptions.ComparingEnumsByValue
Ignored nuget packages