Fix PostgreSQLDialect escaping of single quotes

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@extollo/lib",
-  "version": "0.10.4",
+  "version": "0.10.5",
   "description": "The framework library that lifts up your code.",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",

src/orm/dialect/PostgreSQLDialect.ts

@@ -39,7 +39,7 @@ export class PostgreSQLDialect extends SQLDialect {
         } else if ( value === null || typeof value === 'undefined' ) {
             return new QuerySafeValue(value, 'NULL')
         } else {
-            const escaped = value.replace(/'/g, '\\\'')  // .replace(/"/g, '\\"').replace(/`/g, '\\`')
+            const escaped = value.replace(/'/g, '\'\'')  // .replace(/"/g, '\\"').replace(/`/g, '\\`')
             return new QuerySafeValue(value, `'${escaped}'`)
         }
     }