Commands that uses Arguments on target selectors doesn't execute well.

What was I expecting-When I use command using target selector that have Arguments, it should execute properly either on chat or command block.For example:/effect @p[r=10] poison*What happened was*-It says that the command is not correct in syntax, even though the command executed on the last version which is v1.0.5-It will execute properly if I put an "Unable to render embedded object: File (*Example*:/effect @p[r=!10] poison*Example of Arguments that didn't work properly without using ") not found."** r-radius* m-gamemod*Another Example** /testfor @p[r=5] - This would result to invalid syntax message instead of executing. * /testfor @p[r=!5] - This would result to what were expected for the above command, though it should not. I hope this would be fi