typo fixed

This improves compatibility for absolute XML path, Windows-style directory separator and inline namespace;

This closes #787, avoid duplicate rich text string items, new formula fn: BIN2DEC, BIN2HEX, BIN2OCT, HEX2BIN, HEX2DEC, HEX2OCT, OCT2BIN, OCT2DEC, OCT2HEX

ref: #756, set cell as blank when SetCellValue with nil #756, new formula fn: BITAND, BITLSHIFT, BITOR, BITRSHIFT, BITXOR

This closes #785, support to change tab color; new formula function: FISHER, FISHERINV, GAMMA, GAMMALN, MIN, MINA, PERMUT

lint issue fixed and new formula function: ATAN, AVERAGE, AVERAGEA, CONCAT, CONCATENATE, COUNT, COUNTBLANK, MAX

- correct adjust calculation chain in duplicate rows
- correct adjust defined name in the workbook when delete worksheet
- use absolute reference in the auto filters defined name to make it compatible with OpenOffice
- API `CoordinatesToCellName` have a new optional param to specify if using an absolute reference format
- Fix cyclomatic complexity issue of internal function `newFills` and `parseToken`

This closes #752, fix incorrectly merged cells on duplicate row, and new formula function: LOWER, PROPER, UPPER

Fix #701, init new formula function AND and OR, prevent formula lexer panic on retrieving the top token type

- Update unit test