0.2.4: 2014-01-14
  * Activate erb trim mode (see http://ruby-doc.org/stdlib-2.0.0/libdoc/erb/rdoc/ERB.html : new)

0.2.3: 2014-01-14
  * Handle SIG INT

0.2.2: 2014-01-14
  * Better error messages if template file name is missing
  * Refactoring of ui messages
  * Cleaning up rubocop offences

0.2.1: 2014-01-14
  * Add documentation for default value support

0.2.0: 2014-01-14
  * Now variable lookup supports a default value

0.1.x. 2014-01-13
  * Introduced new interface for variable lookup
  * Add proper testing environment