Update CMakeLists.txt

add functions for phas
Update pdrh2drh.cpp

mod output
Update pdrh2drh.hpp
Update replace.cpp

mod output
Update replace.hpp
Update simulation.cpp

add sim for more distr
Update simulation.hpp
Create evalrv.cpp
Create evalrv.hpp
Create prereplace.cpp
Create prereplace.hpp
Create presim.cpp
Create presim.hpp
Update statSMT_sq.cpp

add parts for phas
Merge pull request #4 from rachelwang/master

add parts for phas