adding unit test directory
refined ini parser, added getters for masks and products
added more metadata for FASTA deflines
changed from 'pipeline' to 'toolkit'
adding ini file for adaptors
adding object for sequences
removing irrelevant checksums
updated listing to handle ALL products with /\d{3}/, /_/, plurals and other suspect names
updated to include in-press reference
changed verbosity of INI parser
updated skip patterns
added variables for PRODUCTS and MASKS
now uses a sequence object, masks adaptors and fixes product names