Fixing arguments

biopet-tools/src/main/scala/nl/lumc/sasc/biopet/tools/ValidateAnnotation.scala

@@ -31,16 +31,16 @@ object ValidateAnnotation extends ToolCommand {
                   gtfFiles: List[File] = Nil)
 
   class OptParser extends AbstractOptParser[Args](commandName) {
-    opt[File]('r', "refflatFile") maxOccurs 1 valueName "<file>" action { (x, c) =>
+    opt[File]('r', "refflatFile") unbounded() maxOccurs 1 valueName "<file>" action { (x, c) =>
       c.copy(refflatFile = Some(x))
     } text "Refflat file to check"
-    opt[File]('g', "gtfFile") valueName "<file>" action { (x, c) =>
+    opt[File]('g', "gtfFile") unbounded() valueName "<file>" action { (x, c) =>
       c.copy(gtfFiles = x :: c.gtfFiles)
     } text "Gtf files to check"
-    opt[File]('R', "reference") required () maxOccurs 1 valueName "<file>" action { (x, c) =>
+    opt[File]('R', "reference") unbounded() required () maxOccurs 1 valueName "<file>" action { (x, c) =>
       c.copy(reference = x)
     } text "Reference fasta to check vcf file against"
-    opt[Unit]("disableFail") maxOccurs 1 valueName "<file>" action { (_, c) =>
+    opt[Unit]("disableFail") unbounded() maxOccurs 1 valueName "<file>" action { (_, c) =>
       c.copy(failOnError = false)
     } text "Do not fail on error. The tool will still exit when encountering an error, but will do so with exit code 0"
   }