fixed bugs( Some may have been fixed in earlier code commits )
fixed bug [881425] - $env:TEMP should not be changed by OneGet
fixed bug [881324] - cannot register a new package source
fixed bug [758960] - Unregister-PackageSource throws exception if provider is not specified
fixed bug [724957] - Save-Package does note take pipeline from find-package
fixed line endings in a couple source files
Merge pull request #53 from OneGet/wip

bug fixes and line endings