check for dev1650 and some minor polish

README.md

@@ -27,6 +27,7 @@ or a "systems" level language such as C.
 Each exercise is self-contained and self-explained. However, you're encouraged
 to also check out these Zig language resources for more detail:
 
+* https://ziglang.org/learn/
 * https://ziglearn.org/
 * https://ziglang.org/documentation/master/
 
@@ -41,7 +42,7 @@ Verify the installation and build number of `zig` like so:
 
 ```bash
 $ zig version
-0.11.0-dev.1638+xxxxxxxxx
+0.11.0-dev.1650+xxxxxxxxx
 ```
 
 Clone this repository with Git:
@@ -81,7 +82,7 @@ about input:
 
 ### Version Changes
 
-Version-0.11.0-dev.1638+xxxxxxxxx
+Version-0.11.0-dev.1650+xxxxxxxxx
 * *2023-02-12* zig 0.11.0-dev.1638 - changes in `std.Build` cache_root now returns a directory struct
 * *2023-02-04* zig 0.11.0-dev.1568 - changes in `std.Build` (combine `std.build` and `std.build.Builder` into `std.Build`)
 * *2023-01-14* zig 0.11.0-dev.1302 - changes in `@addWithOverflow` (now returns a tuple) and `@typeInfo`; temporary disabled async functionality
@@ -166,6 +167,7 @@ Core Language
 * [ ] Async <--- IN PROGRESS!
 * [X] Interfaces
 * [X] Working with C
+* [ ] String formating
 
 ## Contributing