Various fixes, SQL injection prevention (escaping) and basic web-server. Also remove the fake data file of 7mb...

js/optiTrainer.js

@@ -3,7 +3,7 @@ var allCombinations;
 var optionChainContext={};
 
 $(document).ready(_=>{
-	dta=fakeDta;
+	dta={};
 	allCombinations=$.get("http://localhost:3000/getCombinations",
 		data=>{allCombinations=data;},
 		"json");