Allow multiple values for es_hosts (#80)

Add python -m entry point

fix tsv import

Add keys flag (#68)

* Add keys flag

bump es5 version

Add encoding flag for input files (#63)

Add `--encoding` flag for input files

Bumping version 0.2.22 -> 0.2.23

Bumping version 0.2.21 -> 0.2.22

Bumping version 0.2.20 -> 0.2.21

Bumping version 0.2.19 -> 0.2.20