fixed handling of non-existent directories, win32 error handling, proper file renaming for rolling file renames
fixed handling of non-existent directories, win32 error handling, proper file renaming for rolling file renames

vladikk/NLog,czema/NLog,MoaidHathot/NLog,tetrodoxin/NLog,babymechanic/NLog,sean-gilliam/NLog,bryjamus/NLog,bhaeussermann/NLog,fringebits/NLog,mikkelxn/NLog,Niklas-Peter/NLog,czema/NLog,blair55/NLog,breyed/NLog,BrandonLegault/NLog,breyed/NLog,jkowalski/NLog,rajk987/NLog,jkowalski/NLog,ArsenShnurkov/NLog,FeodorFitsner/NLog,campbeb/NLog,RichiCoder1/NLog,zbrad/NLog,mikkelxn/NLog,rajeshgande/NLog,tmusico/NLog,paulcbetts/NLog,zbrad/NLog,jkowalski/NLog,hubo0831/NLog,rajeshgande/NLog,bhaeussermann/NLog,MartinTherriault/NLog,vladikk/NLog,jkowalski/NLog,jkowalski/NLog,RichiCoder1/NLog,nazim9214/NLog,paulcbetts/NLog,AqlaSolutions/NLog-Unity3D,UgurAldanmaz/NLog,UgurAldanmaz/NLog,ie-zero/NLog,matteobruni/NLog,littlesmilelove/NLog,paulcbetts/NLog,vbfox/NLog,snakefoot/NLog,rajk987/NLog,michaeljbaird/NLog,nazim9214/NLog,BrutalCode/NLog,ilya-g/NLog,RRUZ/NLog,babymechanic/NLog,campbeb/NLog,Niklas-Peter/NLog,matteobruni/NLog,thomkinson/NLog,pwelter34/NLog,tohosnet/NLog,rajk987/NLog,ie-zero/NLog,pwelter34/NLog,MoaidHathot/NLog,fringebits/NLog,AqlaSolutions/NLog-Unity3D,BrandonLegault/NLog,mikkelxn/NLog,thomkinson/NLog,BrandonLegault/NLog,RRUZ/NLog,jkowalski/NLog,ajayanandgit/NLog,luigiberrettini/NLog,mikkelxn/NLog,michaeljbaird/NLog,tetrodoxin/NLog,AndreGleichner/NLog,vbfox/NLog,304NotModified/NLog,littlesmilelove/NLog,blair55/NLog,FeodorFitsner/NLog,czema/NLog,jkowalski/NLog,tmusico/NLog,vladikk/NLog,bryjamus/NLog,fringebits/NLog,thomkinson/NLog,kevindaub/NLog,MartinTherriault/NLog,vladikk/NLog,fringebits/NLog,bjornbouetsmith/NLog,rajk987/NLog,BrandonLegault/NLog,hubo0831/NLog,blair55/NLog,paulcbetts/NLog,ajayanandgit/NLog,czema/NLog,blair55/NLog,kevindaub/NLog,thomkinson/NLog,blair55/NLog,NLog/NLog,tohosnet/NLog,BrutalCode/NLog,bjornbouetsmith/NLog,ilya-g/NLog,ArsenShnurkov/NLog,AndreGleichner/NLog,AqlaSolutions/NLog-Unity3D,blair55/NLog,AqlaSolutions/NLog-Unity3D,luigiberrettini/NLog