Update to v0.9.0

Cargo.lock

@@ -2,7 +2,7 @@
 # It is not intended for manual editing.
 [[package]]
 name = "bwavfile"
-version = "0.1.7"
+version = "0.9.0"
 dependencies = [
  "byteorder",
  "encoding",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "bwavfile"
-version = "0.1.7"
+version = "0.9.0"
 authors = ["Jamie Hardt <jamiehardt@me.com>"]
 edition = "2018"
 license = "MIT"

README.md

@@ -12,7 +12,7 @@ This is currently a work-in-progress! However many features presently work:
 
 | Feature                               | Read  | Write |
 |---------------------------------------|:-----:|:-----:|
-| Standard .wav files                   | ☑️   |    |
+| Standard .wav files                   | ☑️   | ☑️ |
 | Transparent promotion to RF64/BW64    | ☑️   |    |
 | Unified interface for regular and extended Wave format | ☑️  |  |
 | Channel/speaker map metadata          | ☑️    |    |