Added test of build step running.

src/main/nim/strawbosspkg/core.nim

@@ -1,4 +1,4 @@
-import logging, nre, os, osproc, sequtils, streams, strtabs, strutils, tables
+import logging, nre, os, osproc, sequtils, streams, strtabs, strutils, tables, uuids
 
 import private/util
 import configuration

src/main/nim/strawbosspkg/server.nim

@@ -77,7 +77,7 @@ proc spawnWorker(cfg: StrawBossConfig, req: RunRequest): Worker =
 
   let dir = mkdtemp()
   var args = @["run", req.projectName, req.stepName, "-r", req.buildRef,
-               "-w", dir, "-c", cfg.filePath, "-i", req.id]
+               "-w", dir, "-c", cfg.filePath, "-i", $req.id]
   if req.forceRebuild: args.add("-f")
   debug "Launching worker: " & cfg.pathToExe & " " & args.join(" ")
   result = Worker(