levelnet 0.5.0

added more documentation

levelnet 0.2.0

MatMul is now done with RcppEigen (random network sim in sdsm now twice as fast)
implemented scobit function in C++
added scobit gradient function in C++
MLE of scobit model is now performed with optim and the gradients

levelnet 0.1.0.9000

implemented the sdsm model
many other undocumented functions