Pyprof2html

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- Fixed count-up logic in linetimings data.
- Fixed overwrite to same name file. (__init__.py etc...)

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- Improved HTML output
- Fixed remove link of not exist file

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- divided linetimings html file.
- Improved HTML output

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- Fixed coloring logic for 'ncalls' and 'tottime'.
- Improved HTML output
- change to HTML output under 'html' directory

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- Fixed can't convert hotshot linetimings profile.
- Improved HTML output

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- Initial release.