Speed up generateSSLcert test

Significantly speed up the generateSSLtest by reducing the bits in the
key from 2048 to 512.

test/lib/generateSSLcert.js

@@ -12,7 +12,7 @@ describe("generateSSLcert.js(options)", ()=>{
 		assert(!await fs.exists(certPath)); // if it already exsits, the test might pass because of leftover data (which is bad)
 		
 		await generateSSLcert({
-			// bits:512, // supported, but I just use the default of 2048 for this test
+			bits: 512, // This is too small for real world usage, but faster to test
 			sslCertPath: certPath,
 			sslPrivKeyPath: privKeyPath,
 			doLogging: false,