Removed code trying to delete slipPlane and slipSystem twice.
Updated UniqueID::newIndex to return correct value of the index.
Added call to parametersUniqueList in constructors.
Removed default from Defect::setParametersUniquesList
Added call to Defect::setParametersUniquesList() in Defect constructor.
Writing one parameter with value zero for default defects
Added call to Defect::setUniqueID in Defect constructor.
Writing a line for each defect in UniqueID::writeDefects.