feat: Support conditions for GET/HEAD requests

* fix: updated WrappedExpiringStorage tests and timer.unref calls

* fix: removed finalizable configs and inheritors that only used timer

* fix: updated test function to test setSafeInterval and timer.unref

* fix: added NotModifiedHttpError class

* fix: added 304 error test to HttpError test file

* fix: 304 errors when making read request with matching ETag

* Update src/util/errors/NotModifiedHttpError.ts

Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

* fix: updated tests

* fix: try notMatchesEtag in test

* fix: DataAccessorBasedStore test passes

* fix: removed conditions check and added extra test

---------

Co-authored-by: Ted Thibodeau Jr <tthibodeau@openlinksw.com>

package.json

@@ -124,7 +124,7 @@
     "@types/uuid": "^8.3.4",
     "@types/ws": "^8.5.3",
     "@types/yargs": "^17.0.10",
-    "arrayify-stream": "^2.0.0",
+    "arrayify-stream": "^2.0.1",
     "async-lock": "^1.3.2",
     "bcryptjs": "^2.4.3",
     "componentsjs": "^5.3.2",