Update min version to 1.33

Author: josephlr

.travis.yml

@@ -3,12 +3,12 @@ sudo: false
 
 matrix:
   include:
-    - rust: 1.32.0
-      env: DESCRIPTION="Linux, 1.32.0"
+    - rust: 1.33.0
+      env: DESCRIPTION="Linux, 1.33.0"
       os: linux
 
-    - rust: 1.32.0
-      env: DESCRIPTION="OSX, 1.32.0"
+    - rust: 1.33.0
+      env: DESCRIPTION="OSX, 1.33.0"
       os: osx
 
     - rust: stable

README.md

@@ -53,7 +53,7 @@ one of the following features must be enabled:
 
 ## Minimum Supported Rust Version
 
-This crate requires Rust 1.32.0 or later.
+This crate requires Rust 1.33.0 or later.
 
 
 # License