- Modified `custardpy_cooler_HiC` and `custardpy_cooler_MicroC` to allow multiple FASTQ files
- Changed the name of output directory for `custardpy_juicer`, `custardpy_cooler_HiC`, and `custardpy_cooler_MicroC`
- Modified options of Pairtools according to the [tutorial](https://github.com/open2c/pairtools/blob/master/doc/examples/pairtools_walkthrough.ipynb)
- Added [python-FIREcaller](https://github.com/jakublipinski/python-FIREcaller)
- Added the restriction files of Cooler for various genome builds and enzymes (see the help of `custardpy_cooler_HiC`)
- Bug fix: Wrong PATH of pairsqc.py