mssm 0.1.6

• the package to works with the new version of nloptr.

mssm 0.1.4 and 0.1.5

• fix LTO issue due to testthat.

mssm 0.1.4

• fix LTO issue due to testthat.

mssm 0.1.3

• fix Fortran LTO issue.

mssm 0.1.2

• two types of antithetic variables is now supported.