Zhongji SHEN

Results 4 issues of Zhongji SHEN

![image](https://user-images.githubusercontent.com/1461437/52989749-c8535800-343f-11e9-921f-d1e7be65be41.png)

hi, I just installed transvar (from `pip`) and following the manual in readthedoc, however, for `transvar config --download_dbsnp`, I got > [_download_] warning: file not available: ftp://ftp.ncbi.nlm.nih.gov/snp/organisms/human_9606_b144_GRCh37p13/VCF/00-All.vcf.gz or target directory...

I like to use `csvlook -t` to view tab-separated file for good layout even it is not in a strict TSV format. For example one word in first line as...

Normal Priority
bug: upstream

fix version dependency for installation