Refactor utils out into cliutils package.

src/main/nim/strawbosspkg/server.nim

@@ -1,7 +1,7 @@
-import algorithm, asyncdispatch, bcrypt, jester, json, jwt, logging, os, osproc,
-  sequtils, strutils, tempfile, times, unittest, uuids
+import algorithm, asyncdispatch, bcrypt, cliutils, jester, json, jwt, logging,
+  os, osproc, sequtils, strutils, tempfile, times, unittest, uuids
 
-import ./configuration, ./core, private/util
+import ./configuration, ./core
 
 type Worker = object
   runId*: UUID