prepare for release

prepare for 0.7.2

prepare for release 0.7.1

preparations for release 0.7.0

preparation for release

Merge pull request hashtopolis#8 from s3inlc/current-dev

Including changes for next release

set for 0.5.0 release

fixed arguments for token failing functions

prepare for 0.3.0 release

fixed issue when file task is deleted during execution