add char support (#206)

* add char support

* add char test

* remove __wbindgen_char fns

* re-order travis script

* update serve script

* remove binds to unused char functions

* add more wide character items to chars list

* remove unused code

* add char to readme

* remove built file

crates/cli-support/src/descriptor.rs

@@ -32,6 +32,7 @@ tys! {
     ANYREF
     ENUM
     RUST_STRUCT
+    CHAR
 }
 
 #[derive(Debug)]
@@ -57,6 +58,7 @@ pub enum Descriptor {
     Anyref,
     Enum,
     RustStruct(String),
+    Char,
 }
 
 #[derive(Debug)]
@@ -122,6 +124,7 @@ impl Descriptor {
                     .collect();
                 Descriptor::RustStruct(name)
             }
+            CHAR => Descriptor::Char,
             other => panic!("unknown descriptor: {}", other),
         }
     }