removed exception class check

it's only needed for tiny warning and as a side-effect crashes when exception class is not loaded

Author: denofevil

lib/ruby-debug-ide/commands/catchpoint.rb

@@ -18,10 +18,6 @@ def execute
         if 'off' == excn
           Debugger.catchpoints.clear
         else
-          binding = @state.context ? get_binding : TOPLEVEL_BINDING
-          unless debug_eval("#{excn}.is_a?(Class)", binding)
-            print_msg "Warning #{excn} is not known to be a Class"
-          end
           Debugger.add_catchpoint(excn)
           print_catchpoint_set(excn)
         end

lib/ruby-debug-ide/version.rb

@@ -1,3 +1,3 @@
 module Debugger
-  IDE_VERSION='0.4.17.beta13'
+  IDE_VERSION='0.4.17.beta14'
 end