Version 0.7.0

This is a release since the paper's original resubmission, in the past year, we added a ton of new features, main changes are briefly summarized below:

1. differential gene analysis, differential splicing analysis, gene enrichment analysis
2. hla coverage analysis, for each pHLA, what percentage of the population it can cover (benefit)
3. enhanced and more flexible control database, adding two normal cohorts by default, and allowing user to add customized
4. improved algorithms for MLE tumor specificity score, and external BayesTS score (https://github.com/frankligy/BayesTS)
5. improved output for both T and B antigens
6. fix multiple bugs