FIX: Better IIR handling
ENH: Add mouse-click emulation to tests
ENH: Better test
FIX: Fix for old mpl
Merge pull request #914 from Eric89GXL/iir-fix

FIX: Better IIR handling
FIX: Fix string
Merge pull request #916 from Eric89GXL/mouse-test

ENH: Add mouse-click emulation to tests
FIX: old matplotlib
deal with annoying dataset warnings
Merge pull request #918 from dengemann/fix-warnings

ENH: deal with annoying dataset warnings
TST : cleaner test skip when statsmodels in not there
robustify test_fetch_file