0.3.2 beta

Changelog:

• improved Tensor performance
• improved replication performance
• stream encoding errors now propagate

SHA256 checksum (tinychain): d4b3b7b9c45b2c1341f0e73c2e17ee2d4c6dde226e20d43f77b0ed339b1c3d2b
SHA256 checksum (tinychain_gpu): 69ad05626d2e74ccf9f83850a51db7939c3ba929ffadcb77d0a87f2987481e7b