Adding support for arbitrary long query and targets (#13)

* Fix remaining compiler warnings

* Support very long reads

update glocal alignment to use parasail v2.6 (#11)

* update glocal alignment to use parasail v2.6

This also fixes a bug reporting the target start in glocal alignment

* increase the maximum query/target length from 1024 to 65536

Fix the usage for option -O (was listed as -o)

Bug fix: Makefile should require parasail build before ksw

Replacing extension, glocal, and global alignment with ksw2 implement…

…ations (#2)

See: https://github.com/lh3/ksw2

Also added a few more tests.

Allow the version to be passed in during the make command.

Initial move to ksw only