added get_libraries
refactoring: Tabixfile to TabixFile, etc
added samtools 1.1 and htslib 1.1
added samtools 1.1 to .travis
issue #42 - skip tests requiring internet if no internet present
issue #43 - writing uncompressed BAM output now works
pep8 changes
better tests for malformatted gtf files
added missing unit test files
bugfix in field length test
removed byte strings
fix wrong flag size, closes #49
Merge branch 'pysam-0.8.1' of github.com:pysam-developers/pysam into pysam-0.8.1
Merge branch 'master' of github.com:pysam-developers/pysam into pysam-0.8.1
bugfix - char from temporary string object
added unit tests for testing different region strings
CL tag consumes until end of line, fixes #39
added build information to faq.rst, closes #37
added encoding parameter to tabix module
fixed ranges in tag parsing, closes #5