Update README

README.md

@@ -10,4 +10,34 @@ $ cmake -DCMAKE_TOOLCHAIN_FILE=../TC-mingw.cmake ../
 $ cmake --build .
 ```
 
-Note: You'll need to supply DLLs manually as I haven't set that up to build yet
+Note: You'll need to supply a 32-bit `libcurl-4.dll` manually as I can't figure out how to make it build on it's own
+You can grab the latest one from [curl.se](https://curl.se/windows/) which should at least work on XP.
+
+Feature progress:
+
+* [ ] The bare minimum
+    - [X] Downloads images
+    - [X] Sets the wallpaper
+    - [X] Converts images to BMP automatically
+    - [ ] Reads configuration from `config.ini`
+    - [X] Runs in the background
+    - [ ] Continuously and asychronously polls the Walltaker API
+        - [ ] Makes sure it isn't grabbing the same image every time
+    - [ ] Context menu
+        - [ ] Display who set the wallpaper
+        - [ ] Display the e6 post ID
+        - [ ] Buttons for reacting to the wallpaper
+    - [ ] Display e6 post ID in the tray icon's tooltip
+
+Tested and confirmed working on:
+
+- [ ] Windows Vista
+- [X] Windows XP *(SP3)*
+- [ ] Windows 2000
+- [ ] Windows ME
+- [ ] Windows 98 (SE)
+- [ ] Windows NT 4
+- [ ] Windows 95
+- [ ] Windows NT 3.51
+
+Note: This software should work fine in newer versions of Windows, but you should probably stick to a client actually targeting newer versions.