Compiler Option: -ex

Add error checking with KeyPgResumeResume support

Syntax
	-ex

Description
	The -ex compiler option adds error handling as with the CompilerOpte-e option plus 
	support for KeyPgResumeResume.

See also
	* KeyPgDdfberr__FB_ERR__
	* CompilerOpteCompiler Option: -e
	* CompilerOptexxCompiler Option: -exx
	* ProPgErrorHandlingError Handling
	* CompilerCmdLineUsing the Command Line

