===== * Contract's constructor immediately returns if the contract is disabled.
1.4.0
===== * Added invariants as `icontract.inv`
1.3.0
===== * Added ``icontract.SLOW`` to mark contracts which are slow and should only be enabled during development * Added ``enabled`` flag to toggle contracts for development, production __etc.__
1.2.3
===== * Removed ``version.txt`` that caused problems with ``setup.py``
1.2.2
===== * Fixed: the ``result`` is passed to the postcondition only if necessary
1.2.1
===== * Fixed a bug that fetched the unexpected frame when conditions were stacked * Fixed a bug that prevented default function values propagating to the condition function