Put URL when skipping a file

src/muse-dl.cr

@@ -24,7 +24,7 @@ module Muse::Dl
 
         # If file exists and we can't clobber
         if File.exists?(parser.output) && parser.clobber == false
-          STDERR.puts "File already exists: #{parser.output}"
+          STDERR.puts "Skipping #{url}, File already exists: #{parser.output}"
           return
         end
         temp_stitched_file = nil

src/parser.cr

@@ -47,7 +47,6 @@ module Muse::Dl
 
       URL: A link to a book on the Project MUSE website, eg https://muse.jhu.edu/book/875
       INPUT_FILE: Path to a file containing a list of links
-      This is muse-dl version #{Muse::Dl::VERSION}
 
       EOT