Pycel

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Changed
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* Speed up compile
* Implement defined names in multicolon ranges
* Tokenize ':' when adjoining functions as infix operator
* Various changes in prep to improve references, including
* Add reference expansion to function helpers
* Add sheet to indirect() and ref_param=0 to offset()
* Implement is_address() helper
* Implement intersection and union for AddressCell

Fixed
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* Fix 77, empty arg in IFERROR()
* Fix 78, None compare and cleanup error handling for various IFS() funcs

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Changed
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* Implement multi colon ranges
* Add support for missing (empty) function parameters

Fixed
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* Fix threading issue in iterative evaluator
* Fix range intersection with null result for ROW and COLUMN
* Fix 74 - Count not working for ranges

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Changed
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* Implement INDIRECT & OFFSET
* Implement SMALL, LARGE & ROUNDDOWN (Thanks, nanaposo)
* Add error message for unhandled missing function parameter

Fixed
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* Fix threading issue w/ CSE evaluator

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Changed
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* Implement CEILING_MATH, CEILING_PRECISION, FLOOR_MATH & FLOOR_PRECISION
* Implement FACT & FACTDOUBLE
* Implement AVERAGEIF, MAXIFS, MINIFS
* Implement ODD, EVEN, ISODD, ISEVEN, SIGN

Fixed
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* Fix 67 - Evaluation with unbounded range
* Fix bugs w/ single cells for xIFS functions

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Changed
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* Add Formula Support for Multi Area Ranges from defined names
* Allow ExcelCompiler init from openpyxl workbook
* Implement LOWER(), REPLACE(), TRIM() & UPPER()
* Implement DATEVALUE(), IFS() and ISERR() (Thanks, int128t)

* Reorganized time and time utils and text functions
* Add excelutil.AddressMultiAreaRange.
* Add abs_coordinate() property to AddressRange and AddressCell
* Cleanup import statements

Fixed
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* Resolved tox version issue on travis
* Fix defined names with Multi Area Range

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Changed
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* Add twelve date and time functions
* Serialize workbook filename and use it instead of the serialization filename (Thanks, nanaposo)