removed make warning
1.6.0 -- 2013-09-10
-------------------

* New features:
  - New ContractsMeta metaclass to provide subclasses with contracts.
    Use like you would ABCMeta. (docs to write)
  - Added a "isinstance(ClassName)" contract for generic type checking

* Other fixes:
  - Cleaned up much of the code regarding Numpy arrays
  - Fixed a few incompatibilities with new versions of pyparsing
  - Better display of error conditions in several occasions.

* Incomplete list of contributors: Ryan Heimbuch