pick was sorting on biotype the wrong way round
fix inheritance
Merge pull request #1 from dbolser-ebi/release/75

+doc, 'sample' to 'population', +link and sorted
* change added so users can limit the TranscriptEffect analysis to certain
  biotypes. If no biotype has been supplied, all genes are fetched
  ( default behaviour).
* removed use of Data::Dumper
fix typo
fix chromosome sorting
HGVS - don't check surrounding peptides for duplications if there aren't any
fix strand reporting on LRG coords when input format is VCF
dont attempt to fetch features from database unless in write_cache or database modes
improve fork death handling
fixes for pileup input
dont need find_existing any more now always using whole_genome
retain order of variants if VCF is input and output format
fix max transcript distance if changed using UpDownDistance plugin
fix for memory usage
fix for --allele_nums with SVs
check defined before testing order
lookup input vars using hash instead, quicker and more reliable
check defined before processing results