v1.4.0: git-substitute version 1.4.0

  - add [-P | --perl-regexp] option
  - add [-E | --extended-regexp] option

v1.3.2: git-substitute version 1.3.2

  - fix travis release deploys

v1.2.1: git-substitute 1.2.1

* tweak sed arguments again

v1.2.0: git-substitute 1.2.0

* Made compatible with FreeBSD/OS X `sed`

v1.1.1: git-substitute 1.1.1

*  OS X added as a target platform
*  switched to testing with bats
*  many readme updates

v1.1.0: git-substitute 1.1.0

* fix -V option
* dasherize command name in -V/--version output