Removed non-ascii character from Get-FoxDump.ps1

Added ascii check before module tasking

data/module_source/collection/Get-FoxDump.ps1

@@ -1,4 +1,4 @@
-Function Get-FoxDump 
+Function Get-FoxDump 
 {
     <#
     .SYNOPSIS 

lib/common/empire.py

@@ -2414,6 +2414,12 @@ class ModuleMenu(cmd.Cmd):
             dispatcher.send("[!] Error: module produced an empty script", sender="Empire")
             return
 
+        try:
+            moduleData.decode('ascii')
+        except UnicodeDecodeError:
+            print helpers.color("[!] Error: module source contains non-ascii characters")
+            return
+
         # strip all comments from the module
         moduleData = helpers.strip_powershell_comments(moduleData)