Gnumeric 1.12.46

Andreas:
	* Fix format import from ODF. [#403]

Jean:
	* Fix charts size in XLS format. [#414]
	* Fix loading string from arrays in charts. [#416]
	* Implement wrapping of rotated text. [#394]

Morten:
	* Fix over-eager guessing of dates in csv.  [#401]
	* Fix Mac build problem.  [#402]
	* Fix inter-process paste crash [#406]
	* Fix problem saving cell protection to xlsx.  [#409]
	* Look for python3 before python.  [#419]
	* Fix SUMIF (etc) problem with blank criteria.  [#423]
	* Improve editing of percentages.  [#413]

Thomas Kuehne:
	* Improve html import.  [#392]

Shlomi Fish:
	* Command line export of graphs.  [#410]

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