Update xlrd (0.9.0 -> 0.9.4) and pillow (2.4.0 -> 3.1.0).
Update xlrd (0.9.0 -> 0.9.4) and pillow (2.4.0 -> 3.1.0).

cvast/arches,cvast/arches,cvast/arches,archesproject/arches,cvast/arches,archesproject/arches,archesproject/arches,archesproject/arches