change opEquals to return bool

[janderson]

BCS wrote:
> Reply to Bill,
> 
> 
>> Tabs are evil!
>> Let the flame war begin!
>> --bb
>>
> 
> The only way to avoid a tab war is to make the only legal use of white 
> space so horrid* that you can't edit the language without a pretty 
> printer. Then everyone get there own way.
> 
> *the only valid WS is a single tab but only if it is needed to make 
> things lex correctly.  <G>
> 
> 

I always just throw beer at the problem and it goes away.

-Joel