#213072 by sun: Removed file.inc dependency and always create backup files.

#208767 by ezyang, sun: Fixed wrong formattings applied to nested case statements, inline PHP containing control structures, curly braces in quotes.

#208767 by sun: Added unit tests for JavaScript generating code, nested cache statements, and inline PHP containing control structures.

Fixed coding-style using coder_format. (Yes, we eat our own dog-food.)

- Fixed handling of opening PHP tags.
- Added unit test for inline PHP.
- Fixed unit test for variables.

- Fixed handling of closing PHP tags.
- Fixed substr_count() throwing a warning on some PHP versions.
- Changed error_reporting level for coder_format.php.
- Fixed PHP tags unit test.

#208767 by ezyang: Fixed commas in multiline syntax (comments, arrays), added more unit tests, and added missing documentation.

- moved comment processing into the tokenizer.
- improved multiline array handling.
- improved parenthesis handling.
- implemented logic to allow multiple tests in one test file.
- splitted existing tests and added a some more.
- fixed output of test results to be displayed in the page content.
- added handling for class member function properties (such as abstract, private, public, protected).
- fixed class properties.
- improved some inline documentation.
- applied coder_format on coder_format.

Fixed coder_format.php startup script.
Fixed wrong quotes in coder_preprocessor_line_breaks_*.
Fixed CVS Id in coder_postprocessor_cvs_id().
Disabled coder_postprocessor_array_rearrange().
Replaced README with an updated version.
Added CHANGELOG.txt.

coder_format implements an alternative solution to formatting source code