Fix a few typos in listconf.c comments
Fix typos in calc_stat.c
Fix more spelling errors

s/dependant/dependent/
s/neccessary/necessary/
s/publically/publicly/
s/seperator/separator/
s/successfull/successful/
s/sucefull/successful/
s/swich/switch/
s/therefor/therefore/
s/usefull/useful/
s/wich/which/
Fix spelling: then -> than

s/faster then/faster than/
s/larger then/larger than/
Merge pull request #174 from frank-dittrich/unstable-jumbo

Unstable jumbo