Implement failsafe service.
Implement failsafe service.

Now ACR server doesn't dies. If panic happens it recreates the
autocompletion context and continues.

thousandhigh/gocode,louiseGrandjonc/gocode,TheBB/gocode,beni55/gocode,louiseGrandjonc/gocode,thousandhigh/gocode,kerr-huang/Gocode,MerlinDMC/gocode,mattn/gocode,syohex/gocode,lmh008/gocode,TheBB/gocode,ghiden/gocode,beni55/gocode,mem/gocode,suncycheng/gocode,mattn/gocode,suncycheng/gocode,nsf/gocode,lmh008/gocode,MerlinDMC/gocode,syohex/gocode,artnez/gocode,ghiden/gocode,TheBB/gocode,toqueteos/LightTable-Go,mattn/gocode,beni55/gocode,ghiden/gocode,mattn/gocode,ghiden/gocode,mdempsky/gocode,kerr-huang/Gocode,mem/gocode,mdempsky/gocode,MerlinDMC/gocode,mem/gocode,MerlinDMC/gocode,thousandhigh/gocode,fjl/gocode,fjl/gocode,suncycheng/gocode,beni55/gocode,lmh008/gocode,TheBB/gocode,fjl/gocode,kerr-huang/Gocode,kerr-huang/Gocode,louiseGrandjonc/gocode,syohex/gocode,fjl/gocode,artnez/gocode,suncycheng/gocode,thousandhigh/gocode,mdempsky/gocode,nsf/gocode,syohex/gocode,nsf/gocode,louiseGrandjonc/gocode,lmh008/gocode,artnez/gocode,nsf/gocode,mem/gocode,toqueteos/LightTable-Go,artnez/gocode