Bump WP compat

readme.txt

@@ -3,7 +3,7 @@ Contributors: ethitter
 Donate link: https://ethitter.com/donate/
 Tags: tag, tags, taxonomy, sidebar, widget, widgets, dropdown, drop down
 Requires at least: 2.8
-Tested up to: 4.3
+Tested up to: 4.4
 Stable tag: 2.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -192,4 +192,4 @@ The plugin was renamed, completely rewritten, and drops support for WordPress 2.
 This is a major revision to the Tag Dropdown Widget. Before upgrading, please be aware that both `TDW_direct()` and `makeTagDropdown()` are now deprecated functions. Additionally, tags can no longer be excluded based on slug. See changelog for full details.
 
 = 1.6 =
-Replaces `makeTagDropdown()` with `TDW_direct()` function, adds post count and exclusion options to direct-implementation function. `makeTagDropdown()` function retained for backwards compatibility. Corrects two XHTML validation errors.
\ No newline at end of file
+Replaces `makeTagDropdown()` with `TDW_direct()` function, adds post count and exclusion options to direct-implementation function. `makeTagDropdown()` function retained for backwards compatibility. Corrects two XHTML validation errors.