Add zig v0.14 support

Author: cryptocode

README.md

@@ -1,6 +1,6 @@
 <img align="right" width="160" height="160" src="https://user-images.githubusercontent.com/34946442/152222895-9c8adb22-a22d-4bce-a513-3486ca28bdd5.png"> zig**fsm** is a [finite state machine](https://en.wikipedia.org/wiki/Finite-state_machine) library for Zig.
 
-This library supports Zig 0.12.x, 0.13 as well as Zig master. Last test was on Zig version `0.14.0-dev.1912+9fd61f746`
+This library supports Zig 0.12.x, 0.13, 0.14 as well as Zig master. Last test was on Zig version `0.14.0-dev.3470+711b0fef5`
 
 Use the zigfsm main branch to compile with Zig master. Use the appropriate zig-*version* tag to target a Zig version not compatible with the main branch.
 

build.zig.zon

@@ -1,5 +1,5 @@
 .{
-    .name = "zigfsm",
+    .name = .zigfsm,
     .version = "0.2.0",
     .paths = .{
         "build.zig",
@@ -10,4 +10,5 @@
         "LICENSE",
         "README.md",
     },
+    .fingerprint = 0x52e3d5c0b9b855f5,
 }

src/tests.zig

@@ -790,7 +790,7 @@ const GameState = struct {
 
     // Pops from the state stack and transitions to it. Returns true if stack had at least one state.
     pub fn undo(self: *GameState) !bool {
-        if (self.stack.popOrNull()) |state| {
+        if (self.stack.pop()) |state| {
             try self.fsm.transitionTo(state);
             return true;
         } else return false;