Merge branch 'develop' of git.lumc.nl:biopet/biopet into feature-gears

public/biopet-extentsions/src/main/scala/nl/lumc/sasc/biopet/extensions/Zcat.scala → public/biopet-extensions/src/main/scala/nl/lumc/sasc/biopet/extensions/Zcat.scala

@@ -36,7 +36,7 @@ class Zcat(val root: Configurable) extends BiopetCommandLineFunction {
 
   /** Returns command to execute */
   def cmdLine = required(executable) +
-    (if (inputAsStdin) "" else required(input)) +
+    (if (inputAsStdin) "" else repeat(input)) +
     (if (outputAsStsout) "" else " > " + required(output))
 }