check for inconsistent strands in GTF parser
fix memleak
Merge pull request #381 from satta/gtf_debug

check for inconsistent strands in GTF parser
implement a ruler_offset property for ann.sketch
gtlua: add attribute iterator
implement ruler_nozeropos property for sketch
add a test case for the new ruler properties
change default value for ruler_nozeropos
Merge pull request #383 from ggonnella/ruler_offset

Generation of images for transcripts
add gt_tag_value_map_size()
correctly implement removal of last attribute in feature
gtlua: add tests for FeatureNode:attribute_pairs()
cosmetics
src_check fixes
change evalue treatment for match iterator
Merge pull request #388 from Garonenur/dw

change evalue treatment for match iterator
Merge pull request #385 from satta/lua_attrib_iter

Additions and fixes for Lua attribute accessor functions
gtlua: add GenomeNode:set_range()
gtlua: add gff3_out_stream_new_retainids()
gtlua: extend tests for set_range()