Only tidy lib/, t/, tools/ and script/ directory

We don'y want to tidy the external/ directory, and also not
dbicdh/ I guesss.

.tidyallrc

@@ -2,5 +2,5 @@
 ; Notice that this does include also non-Perl files in script/ so it is
 ; suggested to use tools/tidy to cover all appropriate files. "tidyall -a"
 ; will try to cover too much and fail on the non-Perl files
-select = **/*.{pl,pm,t} script/*
+select = {tools,lib,t}/**/*.{pl,pm,t} script/*
 argv = --profile=$ROOT/.perltidyrc