Add --trace to debug the stack level too deep error on the travis 1.9 build.
Add --trace to debug the stack level too deep error on the travis 1.9 build.

KentShikama/diaspora,spixi/diaspora,jhass/diaspora,KentShikama/diaspora,Flaburgan/diaspora,despora/diaspora,Amadren/diaspora,diaspora/diaspora,Amadren/diaspora,diaspora/diaspora,despora/diaspora,SuperTux88/diaspora,KentShikama/diaspora,geraspora/diaspora,diaspora/diaspora,spixi/diaspora,Amadren/diaspora,spixi/diaspora,Flaburgan/diaspora,despora/diaspora,Muhannes/diaspora,KentShikama/diaspora,diaspora/diaspora,Flaburgan/diaspora,jhass/diaspora,Flaburgan/diaspora,Amadren/diaspora,geraspora/diaspora,geraspora/diaspora,Muhannes/diaspora,Muhannes/diaspora,SuperTux88/diaspora,SuperTux88/diaspora,jhass/diaspora,Muhannes/diaspora,spixi/diaspora,SuperTux88/diaspora,geraspora/diaspora,jhass/diaspora,despora/diaspora