bam2stats.py - corrected pairs_total count based on fastq file
Merge branch 'master' of ssh://github.com/CGATOxford/cgat
Pipeline.py - added shuffle and limit options to load()
PipelineTracks.py - added Sample4
gtf2table.py - bugfix when encountering very large exons in CounterReadCoverage
bed2table.py - added has-header option
pipeline_windows - added more plots