update 1.2.3

Author: tadghh

.cargo/Config.toml

@@ -0,0 +1,9 @@
+[unstable]
+build-std         =["alloc", "core", "panic_abort", "proc_macro", "std"]
+build-std-features=["panic_immediate_abort"]
+
+[build]
+rustflags=["--cfg=has_std", "-C", "panic=abort", "target-cpu=native"]
+
+[target.x86_64-pc-windows-msvc]
+rustflags=["-C", "link-arg=/LIMIT:10240"]