Bump version number for 1.7.4 release
Bump version number for 1.7.4 release

sourceryinstitute/opencoarrays,jerryd/opencoarrays,zbeekman/opencoarrays,sourceryinstitute/opencoarrays,jerryd/opencoarrays,jerryd/opencoarrays,zbeekman/opencoarrays,zbeekman/opencoarrays,sourceryinstitute/opencoarrays