Merge pull request #1 from zhaojunbo/master

File read bug fixed
Merge pull request #2 from zhaojunbo/master

Bug fixed
Merge pull request #3 from zhaojunbo/master

2 commits
Merge pull request #4 from zhaojunbo/master

second pass
Merge pull request #5 from zhaojunbo/master

bug fixed
	modified:   README.md