make node ordering aware of MD5 IDs
add tests for gt_md5_seqid_has_prefix()
bug fix in gt_md5_seqid_cmp_seqids()
switch to backward-compatible Pango interface
Fixed splint problems.
support more implied or mandatory options
use GtEncseq as GtBioseq backend
give proper error message when input sequence is empty
add .tags* files to .gitignore
return error message on invalid table ID
add include to header
add SNV feature type
cosmetics
add SNP annotation streams/visitors
add `gt snpper' tool