Corrects a bug with temporal sequences due to very small differences in sliceLocations
Modify the less operator to ignore <10^-7 differences
Correcting the bug on macOS and abs->fabs
Calculate sliceLocation (not just read the DICOM tag which might be wrong or missing)
sliceLocation does not need to be relative (only used to distinguish slices from temp. frames)
sliceLocations can be positive and/or negative
Merge pull request #83 from LoicCadour/bugSliceLocation

Bug when trying to open some temporal sequences