Changes in lmfit-2.4, released 27jul2008:- clearer file headers- clearer licence (everything has ever been in the public domain)- machine-dependent arithmetic constants from float.h (suggestion M. Bydder)- minor improvements of commentsChanges in lmfit-2.3, released 5apr2008:- fixed bug 1817631: replaced confusing variable names in lmmin.c:lm_qrsolv()- accepted feature request 1814970: inclusion protection in headers- accepted feature request 1814976: cplusplus wrapper in headers- fixed bug 1868399: typos in debug messages- accepted proposal from Mark Bydder:     improved calculation of differences in lmmin, lines 415-417- reverted comments in lmmin.c to pure C style- improved documentation of interfacesChanges up to lmfit-2.2, released 20sep2008:- Sorry, anterior to lmfit-2.3 no change log has been maintained.