BUG: fix a couple of bugs in signal.ltisys
BUG: fix a couple of bugs in signal.ltisys

e-q/scipy,maciejkula/scipy,ogrisel/scipy,mhogg/scipy,maniteja123/scipy,zerothi/scipy,Newman101/scipy,anntzer/scipy,rmcgibbo/scipy,cpaulik/scipy,dch312/scipy,rgommers/scipy,Kamp9/scipy,mtrbean/scipy,ortylp/scipy,mortada/scipy,mingwpy/scipy,Gillu13/scipy,ogrisel/scipy,Kamp9/scipy,jamestwebber/scipy,sonnyhu/scipy,Gillu13/scipy,Eric89GXL/scipy,scipy/scipy,anielsen001/scipy,kleskjr/scipy,gertingold/scipy,Srisai85/scipy,bkendzior/scipy,nvoron23/scipy,zxsted/scipy,endolith/scipy,chatcannon/scipy,argriffing/scipy,zaxliu/scipy,mtrbean/scipy,haudren/scipy,grlee77/scipy,sauliusl/scipy,felipebetancur/scipy,ilayn/scipy,vigna/scipy,jseabold/scipy,mortonjt/scipy,zxsted/scipy,pyramania/scipy,jsilter/scipy,chatcannon/scipy,zxsted/scipy,WillieMaddox/scipy,pschella/scipy,vigna/scipy,futurulus/scipy,vhaasteren/scipy,Srisai85/scipy,jor-/scipy,josephcslater/scipy,mgaitan/scipy,cpaulik/scipy,witcxc/scipy,jseabold/scipy,aarchiba/scipy,mhogg/scipy,Stefan-Endres/scipy,gef756/scipy,Eric89GXL/scipy,chatcannon/scipy,jor-/scipy,sauliusl/scipy,anntzer/scipy,anntzer/scipy,haudren/scipy,behzadnouri/scipy,Dapid/scipy,andim/scipy,zerothi/scipy,hainm/scipy,mortada/scipy,chatcannon/scipy,richardotis/scipy,vanpact/scipy,mortonjt/scipy,Newman101/scipy,vhaasteren/scipy,cpaulik/scipy,nvoron23/scipy,person142/scipy,mikebenfield/scipy,niknow/scipy,e-q/scipy,ilayn/scipy,aeklant/scipy,piyush0609/scipy,scipy/scipy,kalvdans/scipy,nonhermitian/scipy,fredrikw/scipy,futurulus/scipy,sonnyhu/scipy,richardotis/scipy,jsilter/scipy,giorgiop/scipy,larsmans/scipy,scipy/scipy,mtrbean/scipy,newemailjdm/scipy,woodscn/scipy,ndchorley/scipy,sauliusl/scipy,andyfaff/scipy,pizzathief/scipy,maniteja123/scipy,dominicelse/scipy,giorgiop/scipy,befelix/scipy,mgaitan/scipy,njwilson23/scipy,matthew-brett/scipy,jonycgn/scipy,rmcgibbo/scipy,FRidh/scipy,mhogg/scipy,andim/scipy,petebachant/scipy,ChanderG/scipy,lhilt/scipy,futurulus/scipy,aman-iitj/scipy,dominicelse/scipy,mortonjt/scipy,ales-erjavec/scipy,raoulbq/scipy,giorgiop/scipy,jamestwebber/scipy,nvoron23/scipy,trankmichael/scipy,dominicelse/scipy,endolith/scipy,nonhermitian/scipy,vberaudi/scipy,rmcgibbo/scipy,efiring/scipy,nvoron23/scipy,argriffing/scipy,raoulbq/scipy,Stefan-Endres/scipy,gfyoung/scipy,fredrikw/scipy,trankmichael/scipy,perimosocordiae/scipy,anielsen001/scipy,rgommers/scipy,minhlongdo/scipy,newemailjdm/scipy,haudren/scipy,vigna/scipy,mdhaber/scipy,gdooper/scipy,rmcgibbo/scipy,nmayorov/scipy,josephcslater/scipy,kalvdans/scipy,ogrisel/scipy,nvoron23/scipy,jamestwebber/scipy,pizzathief/scipy,apbard/scipy,trankmichael/scipy,jor-/scipy,lhilt/scipy,zerothi/scipy,njwilson23/scipy,jonycgn/scipy,mgaitan/scipy,aman-iitj/scipy,grlee77/scipy,aeklant/scipy,Stefan-Endres/scipy,petebachant/scipy,FRidh/scipy,gdooper/scipy,pschella/scipy,surhudm/scipy,rmcgibbo/scipy,richardotis/scipy,bkendzior/scipy,person142/scipy,mtrbean/scipy,nonhermitian/scipy,gef756/scipy,newemailjdm/scipy,Kamp9/scipy,Kamp9/scipy,petebachant/scipy,piyush0609/scipy,felipebetancur/scipy,njwilson23/scipy,tylerjereddy/scipy,endolith/scipy,vanpact/scipy,cpaulik/scipy,fernand/scipy,bkendzior/scipy,ChanderG/scipy,rgommers/scipy,Shaswat27/scipy,juliantaylor/scipy,andyfaff/scipy,jor-/scipy,surhudm/scipy,hainm/scipy,sonnyhu/scipy,vanpact/scipy,mingwpy/scipy,kalvdans/scipy,pnedunuri/scipy,aman-iitj/scipy,apbard/scipy,minhlongdo/scipy,ChanderG/scipy,mortada/scipy,behzadnouri/scipy,dch312/scipy,perimosocordiae/scipy,jjhelmus/scipy,pbrod/scipy,jamestwebber/scipy,ortylp/scipy,jakevdp/scipy,pnedunuri/scipy,Shaswat27/scipy,kleskjr/scipy,gfyoung/scipy,maciejkula/scipy,jor-/scipy,perimosocordiae/scipy,arokem/scipy,nmayorov/scipy,matthew-brett/scipy,mortonjt/scipy,person142/scipy,mgaitan/scipy,pnedunuri/scipy,Newman101/scipy,gfyoung/scipy,vberaudi/scipy,nvoron23/scipy,maciejkula/scipy,maniteja123/scipy,mikebenfield/scipy,piyush0609/scipy,felipebetancur/scipy,arokem/scipy,nmayorov/scipy,gertingold/scipy,raoulbq/scipy,lukauskas/scipy,behzadnouri/scipy,ilayn/scipy,Dapid/scipy,Shaswat27/scipy,matthewalbani/scipy,Shaswat27/scipy,mhogg/scipy,woodscn/scipy,lukauskas/scipy,tylerjereddy/scipy,jjhelmus/scipy,woodscn/scipy,sriki18/scipy,hainm/scipy,petebachant/scipy,Newman101/scipy,argriffing/scipy,Gillu13/scipy,raoulbq/scipy,anielsen001/scipy,argriffing/scipy,grlee77/scipy,anielsen001/scipy,vhaasteren/scipy,Srisai85/scipy,matthew-brett/scipy,pyramania/scipy,hainm/scipy,cpaulik/scipy,aarchiba/scipy,zerothi/scipy,raoulbq/scipy,larsmans/scipy,hainm/scipy,ChanderG/scipy,mtrbean/scipy,richardotis/scipy,Kamp9/scipy,jseabold/scipy,niknow/scipy,Srisai85/scipy,Dapid/scipy,chatcannon/scipy,newemailjdm/scipy,dch312/scipy,fernand/scipy,jsilter/scipy,maciejkula/scipy,raoulbq/scipy,felipebetancur/scipy,fernand/scipy,FRidh/scipy,andim/scipy,WarrenWeckesser/scipy,jsilter/scipy,futurulus/scipy,juliantaylor/scipy,Eric89GXL/scipy,anielsen001/scipy,zaxliu/scipy,andim/scipy,mgaitan/scipy,minhlongdo/scipy,sriki18/scipy,mortonjt/scipy,haudren/scipy,matthewalbani/scipy,chatcannon/scipy,njwilson23/scipy,gef756/scipy,fredrikw/scipy,jonycgn/scipy,gdooper/scipy,woodscn/scipy,gertingold/scipy,andyfaff/scipy,anntzer/scipy,kleskjr/scipy,nonhermitian/scipy,ilayn/scipy,juliantaylor/scipy,anntzer/scipy,Stefan-Endres/scipy,trankmichael/scipy,zerothi/scipy,newemailjdm/scipy,mgaitan/scipy,vigna/scipy,Srisai85/scipy,sauliusl/scipy,Eric89GXL/scipy,dominicelse/scipy,efiring/scipy,felipebetancur/scipy,efiring/scipy,niknow/scipy,jakevdp/scipy,Gillu13/scipy,vberaudi/scipy,piyush0609/scipy,pyramania/scipy,pnedunuri/scipy,scipy/scipy,giorgiop/scipy,vhaasteren/scipy,woodscn/scipy,jseabold/scipy,bkendzior/scipy,larsmans/scipy,mortada/scipy,efiring/scipy,person142/scipy,josephcslater/scipy,zaxliu/scipy,hainm/scipy,vanpact/scipy,lhilt/scipy,aarchiba/scipy,FRidh/scipy,mortada/scipy,behzadnouri/scipy,vhaasteren/scipy,kleskjr/scipy,njwilson23/scipy,surhudm/scipy,WillieMaddox/scipy,kalvdans/scipy,dch312/scipy,piyush0609/scipy,vanpact/scipy,nmayorov/scipy,jseabold/scipy,fredrikw/scipy,zerothi/scipy,Shaswat27/scipy,niknow/scipy,jonycgn/scipy,anntzer/scipy,sauliusl/scipy,pbrod/scipy,gef756/scipy,rgommers/scipy,mingwpy/scipy,aman-iitj/scipy,newemailjdm/scipy,andyfaff/scipy,ales-erjavec/scipy,fernand/scipy,Stefan-Endres/scipy,sriki18/scipy,jseabold/scipy,ndchorley/scipy,ChanderG/scipy,haudren/scipy,futurulus/scipy,endolith/scipy,WarrenWeckesser/scipy,pbrod/scipy,matthewalbani/scipy,woodscn/scipy,perimosocordiae/scipy,grlee77/scipy,ales-erjavec/scipy,befelix/scipy,pschella/scipy,Shaswat27/scipy,scipy/scipy,mortada/scipy,efiring/scipy,larsmans/scipy,vberaudi/scipy,endolith/scipy,dominicelse/scipy,befelix/scipy,juliantaylor/scipy,Dapid/scipy,ChanderG/scipy,pschella/scipy,sriki18/scipy,mortonjt/scipy,WarrenWeckesser/scipy,larsmans/scipy,mdhaber/scipy,sriki18/scipy,pizzathief/scipy,gef756/scipy,aeklant/scipy,mingwpy/scipy,ogrisel/scipy,apbard/scipy,ilayn/scipy,pbrod/scipy,surhudm/scipy,vhaasteren/scipy,richardotis/scipy,jakevdp/scipy,jonycgn/scipy,tylerjereddy/scipy,lukauskas/scipy,ortylp/scipy,e-q/scipy,vberaudi/scipy,gef756/scipy,gfyoung/scipy,fredrikw/scipy,nonhermitian/scipy,surhudm/scipy,pyramania/scipy,zxsted/scipy,njwilson23/scipy,josephcslater/scipy,lhilt/scipy,ales-erjavec/scipy,behzadnouri/scipy,mingwpy/scipy,sriki18/scipy,maniteja123/scipy,andim/scipy,witcxc/scipy,pizzathief/scipy,WarrenWeckesser/scipy,mhogg/scipy,Stefan-Endres/scipy,arokem/scipy,maciejkula/scipy,lukauskas/scipy,witcxc/scipy,jsilter/scipy,argriffing/scipy,lhilt/scipy,grlee77/scipy,mtrbean/scipy,pbrod/scipy,Eric89GXL/scipy,behzadnouri/scipy,juliantaylor/scipy,niknow/scipy,zxsted/scipy,Gillu13/scipy,anielsen001/scipy,maniteja123/scipy,gertingold/scipy,mikebenfield/scipy,aeklant/scipy,minhlongdo/scipy,aman-iitj/scipy,ndchorley/scipy,apbard/scipy,mikebenfield/scipy,pnedunuri/scipy,mdhaber/scipy,mikebenfield/scipy,andyfaff/scipy,gertingold/scipy,jamestwebber/scipy,befelix/scipy,Kamp9/scipy,fernand/scipy,Srisai85/scipy,ndchorley/scipy,rgommers/scipy,befelix/scipy,minhlongdo/scipy,aarchiba/scipy,WillieMaddox/scipy,Newman101/scipy,ndchorley/scipy,FRidh/scipy,haudren/scipy,zaxliu/scipy,surhudm/scipy,giorgiop/scipy,vanpact/scipy,person142/scipy,bkendzior/scipy,jjhelmus/scipy,minhlongdo/scipy,WillieMaddox/scipy,witcxc/scipy,sonnyhu/scipy,maniteja123/scipy,apbard/scipy,mdhaber/scipy,ilayn/scipy,larsmans/scipy,giorgiop/scipy,gdooper/scipy,rmcgibbo/scipy,Dapid/scipy,Newman101/scipy,andim/scipy,jjhelmus/scipy,matthew-brett/scipy,kleskjr/scipy,gdooper/scipy,perimosocordiae/scipy,e-q/scipy,sonnyhu/scipy,Gillu13/scipy,fernand/scipy,dch312/scipy,sonnyhu/scipy,trankmichael/scipy,lukauskas/scipy,Dapid/scipy,fredrikw/scipy,WillieMaddox/scipy,aeklant/scipy,argriffing/scipy,scipy/scipy,WarrenWeckesser/scipy,sauliusl/scipy,mhogg/scipy,kleskjr/scipy,efiring/scipy,petebachant/scipy,Eric89GXL/scipy,andyfaff/scipy,aman-iitj/scipy,jonycgn/scipy,arokem/scipy,ogrisel/scipy,matthew-brett/scipy,mdhaber/scipy,ortylp/scipy,ortylp/scipy,aarchiba/scipy,felipebetancur/scipy,WarrenWeckesser/scipy,e-q/scipy,vberaudi/scipy,josephcslater/scipy,pschella/scipy,ales-erjavec/scipy,ndchorley/scipy,lukauskas/scipy,jakevdp/scipy,mingwpy/scipy,zxsted/scipy,cpaulik/scipy,pizzathief/scipy,tylerjereddy/scipy,FRidh/scipy,matthewalbani/scipy,vigna/scipy,futurulus/scipy,gfyoung/scipy,niknow/scipy,WillieMaddox/scipy,pnedunuri/scipy,ortylp/scipy,mdhaber/scipy,piyush0609/scipy,richardotis/scipy,nmayorov/scipy,tylerjereddy/scipy,pbrod/scipy,matthewalbani/scipy,perimosocordiae/scipy,endolith/scipy,arokem/scipy,jakevdp/scipy,trankmichael/scipy,ales-erjavec/scipy,witcxc/scipy,petebachant/scipy,zaxliu/scipy,kalvdans/scipy,zaxliu/scipy,pyramania/scipy,jjhelmus/scipy