allow batch processing of xml files

v0.05

v0.05

add batch functionality

v0.04

bump dep on Getopt::Long

v0.03

Changes:

• Improve error message on bad operation names (thanks @arunpandu)

v0.02

Changes:

• Correct a backend issue causing permission error on inserts
  (thanks Arun)

first official release

v0.01

Merge branch 'master' of github.com:UCLOrengoGroup/genome3d-openapi-c…