Adding a random system generator
Adding a scalability test, combining the generation of random models with the duration of random sequences
Better generator where obvious defect where fixed after profiling
Adding computation of graph density
Adding a requirement factory class to gather all factory methods
Adding a listener to traverse system description
Refactoring system statistics using system traversal
Adding access to component definition by index
Faster implementation of the topologies using BitSet
Integration of various changes made to improve performance of random model generation