OMpy v1.0.0

Several changes, most important:

theoretical framework:

• Corrected likelihood: Forgot non-constant K term when K=K(theta): c8c0046

parameters and choices:

• unfolding parameters: 0fcafe2
• unfolder and fg method use remove negatives only, no fill: 9edb485
• Randomize p0 for decomposition 77dec9d

implementation and convenience:

• different save/load for vectors e5f7e52 and parent commits
• Enable pickling of normalizer instances via dill: 896b352