Changes between version 0.25 and 0.26

Jukka has added the following functions:

	* COUNTA(), FINV(), TINV(), SUMX2MY2(), SUMX2PY2(), SUMXMY2()
	* ROUNDDOWN(), ROUNDUP(), PROB(), DAVERAGE(), DCOUNT(), DGET(),
	* DMAX(), DMIN(), DPRODUCT(), DSTDEV(), DSTDEVP(), DSUM(),
	* DVAR(), DVARP(), DCOUNTA(), STEYX(), ROUND(), DATEVALUE()
	* EDATE(), COMPLEX(), IMABS(), IMAGINARY(), IMREAL(), CONVERT()
	* LN(), MROUND(), started ROMAN(), COUNTIF(), SUMIF(), IMLOG10()
	* IMLOG2(), GCD(), LCM(), IMARGUMENT(), IMCONJUGATE(),
        * IMCOS(), IMDIV(), IMEXP(), IMLN(), IMPOWER(), IMPRODUCT(),
        * IMSIN(), IMSQRT(), IMSUB(), IMSUM(), COUNTBLACK()

And fixed these:
	* CONFIDENCE(), VAR(), VARP(), LOG()

Morten:
	* Finished implementation of insert/delete column/row support
	* Plugged innumerable memory leaks, and nailed seg-faults.
	* Fixed the evaluation queue.

Miguel
	* Expanded the CORBA interface massively.
	* Hacked onwards with bonobo support.
	* Updated printing branch.

Michael
	* Re-engineered the Excel function backend.
	* Implemented more legacy Excel tokens.
	* Excel precision and speed improved.
	* Split OLE code to a library.
	* Excel Array support,
	* Backend gnumeric array support revised.
	* Implemented 'current sheet' loading from Excel.
	* Re-wrote BIFF backend to deal with broken 'padded' continue records
	* Improved colour support - still very odd.
	* Implemented LOOKUP()
	* Optimised Area functions to clip to used cells.
	* Fixed varions Excel function imports

Several translations updated: thanks to our translators

And lots of bugs fixed.