updated documentation for 1.0.0
indent error flow

https://code.google.com/p/go-wiki/wiki/CodeReviewComments#Indent_Error_Flow
Fixes #22 - Padding issue in Go1.3 rc1
use ioutil.ReadFile for reading test keys
Merge branch 'fixBase64PaddingInGo13rc1' of github.com:cryptix/jwt-go
Merge branch 'master' of github.com:cenkalti/jwt-go
package doc
comments
updating documentation
documentation
Merge pull request #19 from dgrijalva/semver

One Dot Oh™ and Semantic Versioning