Syncronize cobra to latest

This will add ZSH aliases support pulled from my fork (and submitted upstream
at spf13/cobra#1014) and update to the latest pflags and cobra support.

Fixes #317

go.mod

@@ -36,7 +36,7 @@ require (
 	github.com/pkg/errors v0.8.1
 	github.com/sergi/go-diff v1.1.0 // indirect
 	github.com/spf13/cobra v0.0.5
-	github.com/spf13/pflag v1.0.3
+	github.com/spf13/pflag v1.0.5
 	github.com/stretchr/testify v1.4.0
 	github.com/tektoncd/pipeline v0.9.2
 	github.com/tektoncd/plumbing v0.0.0-20191218171343-56a836c50336
@@ -61,6 +61,6 @@ require (
 
 replace github.com/kr/pty => github.com/creack/pty v1.1.7
 
-replace github.com/spf13/cobra => github.com/chmouel/cobra v0.0.0-20191021105835-a78788917390
+replace github.com/spf13/cobra => github.com/chmouel/cobra v0.0.0-20200107083527-379e7a80af0c
 
 replace git.apache.org/thrift.git => github.com/apache/thrift v0.0.0-20180902110319-2566ecd5d999

go.sum

@@ -34,6 +34,8 @@ github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA
 github.com/cespare/xxhash v1.1.0/go.mod h1:XrSqR1VqqWfGrhpAt58auRo0WTKS1nRRg3ghfAqPWnc=
 github.com/chmouel/cobra v0.0.0-20191021105835-a78788917390 h1:r2QCtXeuDAgROGLHUyLAnC4ju/o9zGIZ+kZLaNBKgqI=
 github.com/chmouel/cobra v0.0.0-20191021105835-a78788917390/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
+github.com/chmouel/cobra v0.0.0-20200107083527-379e7a80af0c h1:8YsovAhAya2jnvoIn5aCqyu2E/Zl1+3KBP5tpNXL+H8=
+github.com/chmouel/cobra v0.0.0-20200107083527-379e7a80af0c/go.mod h1:/6GTrnGXV9HjY+aR4k0oJ5tcvakLuG6EuKReYlHNrgE=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/coreos/bbolt v1.3.2/go.mod h1:iRUV2dpdMOn7Bo10OQBFzIJO9kkE559Wcmn+qkEiiKk=
 github.com/coreos/etcd v3.3.10+incompatible/go.mod h1:uF7uidLiAD3TWHmW31ZFd/JWoc32PjwdhPthX9715RE=
@@ -229,6 +231,8 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
 github.com/spf13/jwalterweatherman v1.0.0/go.mod h1:cQK4TGJAtQXfYWX+Ddv3mKDzgVb68N+wFjFa4jdeBTo=
 github.com/spf13/pflag v1.0.3 h1:zPAT6CGy6wXeQ7NtTnaTerfKOsV6V6F8agHXFiazDkg=
 github.com/spf13/pflag v1.0.3/go.mod h1:DYY7MBk1bdzusC3SYhjObp+wFpr4gzcvqqNjLnInEg4=
+github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
+github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/spf13/viper v1.4.0/go.mod h1:PTJ7Z/lr49W6bUbkmS1V3by4uWynFiR9p7+dSq/yZzE=
 github.com/src-d/gcfg v1.4.0/go.mod h1:p/UMsR43ujA89BJY9duynAwIpvqEujIH/jFlfL7jWoI=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=