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Supported Excel sheet name in Japanese.

Supported external command resource limitation customize by environment variable.

Loged more information on error.

Supported skipping Gnumeric shutdown process by environment variable CHUPA_EXCEL_GNUMERIC_SHUTDOWN=no.

Fixed wrong Excel's MIME Type.

Made LibreOffice/OpenOffice.org path customizable.

Supported mail (message/rfc822) format. [Yuto Hayamizu]

Improved HTML encoding detection.

Supported encrypted file detection.

Supported OpenDocument Text.

Supported OpenDocument Spreadsheet.

Supported OpenDocument Presentation.

Supported multi sheets in Excel.

Changed output format for Excel to TSV from CSV.

Fixed memory leaks. [Yuto Hayamizu]

Improved error handling.

Yuto Hayamizu