- corrected LFM conversion formula that introduces negative values


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16639 25697fe4-d644-49b8-9d30-be5465f2adf3
- replaced z calibration formula according to new information


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16640 25697fe4-d644-49b8-9d30-be5465f2adf3
- added a debug statement for phase_res


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16641 25697fe4-d644-49b8-9d30-be5465f2adf3
- more 2.39 news


git-svn-id: svn://svn.code.sf.net/p/gwyddion/code/trunk/gwyddion@16642 25697fe4-d644-49b8-9d30-be5465f2adf3