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resolve conflict
fix some comment bug
add description for var and struct
some small modification
Update README.md
adjust structure
add another function example
text/scanner package samples
constants and formats
markdown syntax
Merge remote-tracking branch 'upstream/master'
Merge pull request #30 from Unknwon/master

todo.md排版下，看得更清楚
Merge pull request #31 from qinglong1983/patch-3

Update README.md
Merge pull request #32 from boilingbit/master

add example for all functions, adjust structure and fix some bugs
Merge pull request #33 from cdxahz/master

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