Fix for ConfigHelpers bug and invalidVersion

Traceback (most recent call last):
File "bash\balt.pyo", line 414, in <lambda>
File "bash\basher\app_buttons.pyo", line 731, in Execute
File "bash\basher\frames.pyo", line 410, in __init__
File "bash\basher\frames.pyo", line 452, in CheckMods
File "bash\bosh\mods_metadata.pyo", line 490, in checkMods
TypeError: sequence item 0: expected string or Unicode, float found

Author: Sharlikran

Mopy/bash/bosh/mods_metadata.py

@@ -486,8 +486,7 @@ def checkMods(self, showModList=False, showRuleSets=False, showNotes=False,
                     u'=== ' + _(u'Mods that need cleaning with xEdit'))
                 log(_(u'Congratulations all mods appear clean.'))
             if invalidVersion:
-                ver_list = u', '.join(
-                    sorted(bush.game.esp.validHeaderVersions))
+                ver_list = u', '.join(sorted(str(v) for v in bush.game.esp.validHeaderVersions))
                 log.setHeader(
                     u'=== ' + _(u'Mods with non standard TES4 versions'))
                 log(_(u"Following mods have a TES4 version that isn't "