add $ifNull() method (#66)

* add $ifNull() method

* 2.6.9

Author: kbarbounakis

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "@themost/sqlite",
-  "version": "2.6.8",
+  "version": "2.6.9",
   "description": "MOST Web Framework SQLite Adapter",
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -39,8 +39,9 @@
     "@babel/register": "^7.17.0",
     "@rollup/plugin-babel": "^5.3.1",
     "@rollup/plugin-commonjs": "^22.0.0",
-    "@themost/data": "^2.6.35",
+    "@themost/data": "^2.8.4",
     "@themost/peers": "^1.0.2",
+    "@themost/query": "^2.5.19",
     "@themost/xml": "^2.5.2",
     "dotenv": "^16.0.0",
     "eslint": "^8.15.0",