Fix many bugs and implement new features including
* Argument list too long (propagation) 301
* prophyle decompress – "tar: could not chdir to 'database/sparc1_k18'" 312
* No LCA computation in case of tie 315
* prophyle_assignment: not enough values to unpack (expected 2, got 1) 320
* RecursionError: maximum recursion depth exceeded while pickling an object 337
* Error: /bin/bash: /bin/cat: Argument list too long 350
* Add a param to stop after k-mer propagation 353