conversion from Java to Scala

nim/src/jpacrepo.nim

@@ -1,6 +1,6 @@
 import dom
-import htmlutils.tree
-import htmlutils.utils
+import htmlutils/tree
+import htmlutils/utils
 import json
 import streams
 import tables
@@ -25,7 +25,7 @@ type DownloadPanel = ref object
 
 proc newDownloadPanel(parent : Element) : DownloadPanel =
     let dp = DownloadPanel()
-    dp.pkgs = initHashSet[string]()
+    dp.pkgs = initSet[string]()
     htmlTreeAppend(parent):
         "div":
             classList = ["panel", "panel-default"]