bumping version to 1.2a1, future versions of 1.1 should be bug fixes done on trunk and merged back to branches/version-1_1 (or visa-versa), branches/version-1_1 should be created from tags/version-1_1
bumping version to 1.2a1, future versions of 1.1 should be bug fixes done on trunk and merged back to branches/version-1_1 (or visa-versa), branches/version-1_1 should be created from tags/version-1_1

optimizers/pysparse,optimizers/pysparse,optimizers/pysparse,optimizers/pysparse