tests and fix for gatk header issue
added test and fix for commas inside quoted value
whitespace?
Fix contig test case for new contig header parsing
Added pickling support for '_Record' and '_CallData' -- closes #108
Merge pull request #111 from martijnvermaat/contig-test

Fix contig test case for new contig header parsing
Merge pull request #109 from alimanfoo/gatk_26_meta

tests and fix for gatk header issue
Merge pull request #112 from superbobry/master

Added pickling support for '_Record' and '_CallData'
add python 3.3 testing, HISTORY updates
version 0.6.4
Differentiate between no filtering and PASS

Fixes jamescasbon#114
Allow fields in contig definition before length

This is a bit of a hack and should really be generalized to proper
parsing of all header lines.
Merge pull request #116 from martijnvermaat/allow-contig-fields

Allow fields in contig definition before length
Merge pull request #115 from martijnvermaat/filter-pass-none

Differentiate between no filtering and PASS
Test if contig lines are output by writer
Output contig lines in writer
Merge pull request #119 from martijnvermaat/write-contigs

Output contig metadata when using vcf.Writer
Test parsing and writing INFO with type Character
Fix parsing INFO lines with type Character

This fixes GitHub issue #120 (thanks @AndrewUzilov).
Merge pull request #121 from martijnvermaat/info-type-character

Fix parsing INFO lines with type Character