Bioinformatics data analysis and visualization toolkit

v0.7 has the following updates and changes

• split_fastq function added for splitting individual (left and right) paired-end fastq files from single
  interleaved paired-end file
• GFF3 to GTF file conversion utility added under class gff
• two-sample and Welch's t-test updated for CI and alpha parameter added
• module termcolor removed
• Programmatic access of dataset for ttsam added