All Programming Cheat Sheets

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Version 3.3 & 3.4
- Searching performance improved

Version 3.2
- Improve performance

Version 3.1
- Fix Loading bug
- Improve file deletion when uninstall application

Version 3.0
- Now reading cache is supported. No need to re-download before read. Green indicator shows that the file has already been downloaded. SDCARD or External Storage required!! (Only support for PDF)
- Bugs fixed

Version 2.0
- Add more cheat sheets