Major changes

• Updated mids2spss() replaces the foreign by haven package. Contributed Gerko Vink (#291)

Minor changes

• Repairs an error in tests\testhat\test-D1.R that failed on mitml 0.4-0
• Reverts with.mids() function to old version because the change in commit 4634094 broke downstream package metafor (#292)
• Solves a glitch in mice.impute.rf() in finding candidate donors (#288, #289)