fix #197
fix #197

___FAILURE_HALT___ is ignored as well as any panic/fail

fix #197

zj8487/goconvey,aquilax/goconvey,wallclockbuilder/assertions,yaoshipu/goconvey,springning/goconvey,springning/goconvey,leeola/goconvey,springning/goconvey,yaoshipu/goconvey,wallclockbuilder/goconvey,aquilax/goconvey,ansiz/goconvey,wallclockbuilder/goconvey,yaoshipu/goconvey,leeola/goconvey,zj8487/goconvey,springning/assertions,ansiz/goconvey,wallclockbuilder/convey,ansiz/goconvey,leeola/goconvey,wallclockbuilder/goconvey,zj8487/goconvey,aquilax/goconvey