Bug fixes to allocators and containers

Still haven't found the main bug with resizing zpl_hashmap on string interning

.vscode/launch.json

@@ -4,6 +4,18 @@
 	// For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
 	"version": "0.2.0",
 	"configurations": [
+		{
+			"name": "Debug gen_odin_src",
+			"type": "cppvsdbg",
+			"request": "launch",
+			"program": "${workspaceFolder}/toolchain/odin/codegen/build/gen_src.exe",
+			"args": [],
+			"stopAtEntry": false,
+			"cwd": "${workspaceFolder}/toolchain/odin",
+			"environment": [],
+			"console": "externalTerminal",
+			"visualizerFile": "${workspaceFolder}/toolchain/odin/scripts/gencpp.natvis"
+		},
 		{
 			"type": "lldb",
 			"request": "launch",