updated readme to reference correct methods and include some badges (#4)

README.md

@@ -1,5 +1,9 @@
 # Image Hashing powered by Rust
 
+[![PyPI - Version](https://img.shields.io/pypi/v/imghash-rs)](https://pypi.org/project/imghash-rs/)
+[![PyPI - Python Version](https://img.shields.io/pypi/pyversions/imghash-rs)](https://pypi.org/project/imghash-rs/)
+[![PyPI - Downloads](https://img.shields.io/pypi/dw/imghash-rs)](https://pypistats.org/packages/imghash-rs)
+
 This package is a thin wrapper that contains Python bindings for the Rust crate `imghash-rs` that allows you to generate various image hashes. the following hashes are supported:
 
 * Average Hash
@@ -23,8 +27,8 @@ from imghash import average_hash, difference_hash, perceptual_hash
 
 ahash = average_hash("path/to/image")
 
-print(ahash.hex()) # will return the hash encoded as string
-print(ahash.bits()) # will return a 2D list of bools that are the encoded bits
+print(ahash.encode()) # will return the hash encoded as string
+print(ahash.matrix()) # will return a 2D list of bools that are the encoded bits
 ```
 
 To learn more about the underlying bit matrix that gets generated, check this [document](https://github.com/YannickAlex07/imghash-rs/blob/main/docs/encoding.md).