change input parameters used as return values to references
comment out useless code
change cached value due to corrections in PerturbativeBarrierOptionEngine,
increase precision in output messages
remove assignment to variable which is not used
remove assignment which is not used
make limit in loop explicit
add missing break statement
reactivate test case
Disabled slow test case.
Merge pull request #18.
Merge remote-tracking branch upstream/$:{upbranch}