Command chisel-pseudonormal.py

The CHISEL command chisel-pseudonormal.py implements the method integrated in CHISEL for generating a pseudo matched-normal sample by extracting diploid cells from a barcoded BAM file. The command simply required as input a barcoded BAM file and the corresponding reference genome; detailed descriptions of the required input are available here. After the execution, the command generates a new BAM file by only merging sequencing reads from diploid cells; thus the resulting BAM file can be used as a paseudo matched-normal sample to run the entire CHISEL's pipeline.