Make calls to logs.setup() explicit in each cmd.

Further reducing magic implicit behaviour to make code easier to
follow.

redo/cmd_ifcreate.py

@@ -1,11 +1,13 @@
 import sys, os
-from . import env, state
+from . import env, logs, state
 from .logs import err
 
 
 def main():
     try:
         env.inherit()
+        logs.setup(tty=sys.stderr, pretty=env.v.PRETTY, color=env.v.COLOR)
+
         me = os.path.join(env.v.STARTDIR,
                           os.path.join(env.v.PWD, env.v.TARGET))
         f = state.File(name=me)