Feature: Adding file types filter & F flag changed

-t = Show summary of types

-e = Filter by regex
	allows you to specify a file type like -e "\.txt$"

Change behaviour of '-f' flag - it now counts only files. Before it
counted files & directories. This was needed for compatibility with
the new '-e' filter flag

Cargo.toml

@@ -30,6 +30,7 @@ unicode-width = "0.1"
 rayon="1"
 thousands = "0.2"
 stfu8 = "0.2"
+regex = "1"
 
 [target.'cfg(windows)'.dependencies]
 winapi-util = "0.1"