minor fixes to fasta
minor fixes to fasta


Former-commit-id: b3171b02b9aeb15fc4cbfe9cc11ded339942142b [formerly 006a0d71f4ac9e2c35b85e68188f4afea37cfab1]
Former-commit-id: 03af9cbd2ecff9e8ff82c7f962799331ccc537c7 [formerly 161e3aca68e3ad261497786b7e490d44fee57ee3]
Former-commit-id: a7e10ba42cbb0ed6045f24e1c5fc77d1ab40a17b
simomarsili/elss