comment added
test the fasta_itemizer with multiline fasta files
bug fix: length stats for multiline fasta seqitems only used the first
line
guess_format tests moved
fastq-one-line not used anymore, fastq-multiline instead
bugfix: seq_str only considered the first line in multiline seqitems
trimming now uses SeqWrapper
Merge branch 'pair_trimmers'
SeqItem can now hold annotations
SeqItem slicing and qualities implemented.
SeqItem is now a subclass and it is pickleable
copy_seq implemented for SeqItems
trim_blast_short moved now used SeqItems
trim_by_quality now uses SeqItems
merge conflic fixed