Remove another compiler warning

Swarm 2.1.12: Remove debugging message

Swarm 2.1.11: Fix bugs with SIMD alignment

Merge branch 'dev'

Merge with remote repo

SWARM 2.1.8: Fix rare bug, do not show alignment parameters for d=1

Swarm 1.2.7: Fix seed output, ignore some CR in FASTA files, etc

Swarm 2.1.6: Fix bug in seed output and problems with old compilers

Update README.md

Update README.md