Log message

Added last string validators and unit tests for them

	Modify	/Sources/valy/sources/valy.tests/Helpers/TestHelper.cs	diff
	Add	/Sources/valy/sources/valy.tests/StringValidation/StringInRangeFixture.cs	diff
	Add	/Sources/valy/sources/valy.tests/StringValidation/StringRegexValidatorFixture.cs	diff
	Modify	/Sources/valy/sources/valy.tests/StringValidation/StringShorterThanFixture.cs	diff
	Modify	/Sources/valy/sources/valy.tests/Validators.xml	diff
	Modify	/Sources/valy/sources/valy.tests/valy.tests.csproj	diff
	Add	/Sources/valy/sources/valy/Exceptions/InternalValidatorException.cs	diff
	Modify	/Sources/valy/sources/valy/Exceptions/ValidationException.cs	diff
	Add	/Sources/valy/sources/valy/Exceptions/ValidatorInitializationException.cs	diff
	Modify	/Sources/valy/sources/valy/Validators/BaseValidator.cs	diff
	Add	/Sources/valy/sources/valy/Validators/String/InRange.cs	diff
	Modify	/Sources/valy/sources/valy/Validators/String/NullOrEmpty.cs	diff
	Add	/Sources/valy/sources/valy/Validators/String/Regex.cs	diff
	Modify	/Sources/valy/sources/valy/Validators/String/ShorterThan.cs	diff
	Modify	/Sources/valy/sources/valy/valy.csproj	diff