fixed check_space_for_hashtable to use args.n_tables
Merge pull request #382 from ged-lab/bug/hashtable_size_calculations_wrong

fixed check_space_for_hashtable to use args.n_tables
Bug fix: make-initial-stoptags.py error on missing .ht input file, actual input file is .pt
Merge pull request #391 from RamRS/bugfix-htpt

Bug fix: make-initial-stoptags.py error on missing .ht input file, actual input file is .pt
update MANIFEST.in
add remainder of libz libs