Merge pull request #17 from xudafeng/master

Add dump example.
Insert new line between items of list.
Update example and add explanation.
Update doc.
Fix method formater.tostr.
Update version to 0.5.3
Add change log link.
Fix a spelling error of data structure result.
Remove cache when require context.
Support varargs when extract data structure. Close #14.
Update.
Update version to 0.5.5.
Add custom event b4tostr.
Update version to 0.5.6.
Add require for EventEmitter.
inspect() wont output the proper string of function when writes a object into a file. use a custom tostr() to solve it. See #18.
Update version to 0.5.7.
Merge pull request #1 from fool2fish/master

Update from fool2fish