Refactored some classes.
Implemented the feature of catching the exception from test data.
Executed some unskipped tests.
Improved the UniqueRandomIdGenerator class an its test.
Resolved the code analysis error.
Improved the msbuild file.
Updated version to v4.0.0-beta-build15.
Renamed the property 'TryCatch' to 'CatchParameterName'.
Updated version to v4.0.0-beta-build16.
Improved the msbuild file.
Used the define constant 'RELEASE' instead '!DEBUG'.
Added the AutoTheoryAttributePerformanceTest.
Renamed CatchParameterName to CatchTo.
Added the AutoTheoryAttributePerformanceTest.
Updated version to v4.0.0-beta-build17.