Add sort, use_pagination and closest (#158)

* add sort param support in CDX API class

see https://nla.github.io/outbackcdx/api.html#operation/query

sort takes string input which must be one of the follwoing:
- default
- closest
- reverse

This commit shall help in closing issue at https://github.com/akamhy/waybackpy/issues/155

* add BlockedSiteError for cases when archiving is blocked by site's robots.txt

* create check_for_blocked_site for handling the BlockedSiteError for sites that are blocking wayback machine by their robots.txt policy

* add attrs use_pagination and closest, which are can be used to use the pagination API and lookup archive close to a timestamp respectively. And now to get out of infinte blank pages loop just check for two succesive black and not total two blank pages while using the CDX server API.

* added cli support for sort, use-pagination and closest

* added tests

* fix codeql warnings, nothing to worry about here.

* fix save test for archive_url

tests/test_wrapper.py

@@ -35,4 +35,11 @@ def test_total_archives() -> None:
 
 def test_known_urls() -> None:
     wayback = Url("akamhy.github.io")
-    assert len(list(wayback.known_urls())) > 40
+    assert len(list(wayback.known_urls(subdomain=True))) > 40
+
+
+def test_Save() -> None:
+    wayback = Url("https://en.wikipedia.org/wiki/Asymptotic_equipartition_property")
+    wayback.save()
+    archive_url = str(wayback.archive_url)
+    assert archive_url.find("Asymptotic_equipartition_property") != -1