1.5.6
-----
use pyasp 1.4.4

1.5.5
-----
remove ability to parse 0 obseravation
cleanup, remove the parsing code for complex regulations

1.5.4
-----
port to python 3
1.5.3
----------------
fixed bug, caused by reduction applied to other reasoning modes than minimal inconsistent cores

1.5.2
----------------
use pyasp-1.3.3
1.5.1
----------------
use pyasp-1.3.1

1.5
----------------
use pyasp-1.3

1.0 (unreleased)
----------------
Initial release
