Ability to write all SQL queries to a file.
Ability to write all SQL queries to a file.

/cs_phpDB.class.php:
	* MAIN:::
		-- NEW (protected) ARG: $fsObj
		-- NEW (protected) ARG: $logFile
		-- NEW (protected) ARG: $writeCommandsToFile
	* __construct():
		-- ARG CHANGE: NEW ARG: #2 ($writeCommandsToFile=null)
		-- updated header
		-- added option to write all queries to a log file, whose name can be 
		specified (i.e. $writeCommandsToFile=myfile.txt)
		-- logic to create a file if one not present
	* __call():
		-- write data to a file if method was 'exec' and internal var, 
		writeCommandsToFile, has been set.

crazedsanity/cs-webapplibs