rtime.rb in rufus-scheduler-2.0.19

- old
+ new

@@ -116,10 +116,15 @@
   #   Rufus.parse_time_string "1000"   # => 1.0
   #   Rufus.parse_time_string "1h"     # => 3600.0
   #   Rufus.parse_time_string "1h10s"  # => 3610.0
   #   Rufus.parse_time_string "1w2d"   # => 777600.0
   #
+  # Note will call #to_s on the input "string", so anything that is a String
+  # or responds to #to_s will be OK.
+  #
   def self.parse_time_string(string)
+
+    string = string.to_s
 
     return 0.0 if string == ''
 
     m = string.match(/^(-?)([\d\.#{DURATION_LETTERS}]+)$/)
 