Some README additions

Author: kngwyu

README.md

@@ -3,22 +3,29 @@ rust-numpy
 [![Build Status](https://travis-ci.org/rust-numpy/rust-numpy.svg?branch=master)](https://travis-ci.org/rust-numpy/rust-numpy)
 [![Build status](https://ci.appveyor.com/api/projects/status/bjaru43c7t1alx2x/branch/master?svg=true)](https://ci.appveyor.com/project/kngwyu/rust-numpy/branch/master)
 [![Crate](http://meritbadge.herokuapp.com/numpy)](https://crates.io/crates/numpy)
-[![docs.rs](https://docs.rs/numpy/badge.svg)](https://docs.rs/numpy)
 
 Rust binding of NumPy C-API
 
-Dependencies
+API documentation
 -------------
+- [Latest release(can be broken)](https://docs.rs/numpy)
+- [Current Master](https://rust-numpy.github.io/rust-numpy)
 
-- [rust-ndarray](https://github.com/bluss/rust-ndarray)
-- [pyo3](https://github.com/PyO3/pyo3)
 
-and more (see [Cargo.toml](Cargo.toml))
+Dependencies
+-------------
+- nightly version of rust compiler (see [pyo3](https://github.com/PyO3/pyo3))
+- some rust libraries
+  - [rust-ndarray](https://github.com/bluss/rust-ndarray) for rust-side matrix library
+  - [pyo3](https://github.com/PyO3/pyo3) for cpython binding
+  - and more (see [Cargo.toml](Cargo.toml))
+- [numpy](http://www.numpy.org/) installed in your python environments(e.g. via `pip install numpy`)
 
 **Note**
 From 0.3, we migrated from rust-cpython to pyo3.
 If you want rust-cpython, use version 0.2.1 from crates.io.
 
+
 Example
 ---------
 Please see [example](example) directory for a complete example
@@ -86,12 +93,14 @@ fn rust_ext(py: Python, m: &PyModule) -> PyResult<()> {
 Contribution
 -------------
 This project is in pre-alpha version.
-We need your feedback. Don't hesitate to open [issue](https://github.com/termoshtt/rust-numpy/issues)!
+We need your feedback. Don't hesitate to open [issues](https://github.com/termoshtt/rust-numpy/issues)!
 
 Version
 --------
 - v0.3.0
   - Breaking Change: Migrated to pyo3 from rust-cpython
+  - Some api addition
+  - [Static type checking with PhantomData](https://github.com/rust-numpy/rust-numpy/pull/41)
 
 - v0.2.1
   - NEW: trait `IntoPyErr`, `IntoPyResult` for error translation