added save in transaction with list parameter
reverted sugar activity
Added .DS_Store to .gitignore.
Delete .DS_Store
Update README.md
Merge pull request #31 from yanchenko/patch-2

Delete .DS_Store
Merge pull request #32 from yanchenko/patch-3

Update README.md
Merge pull request #30 from yanchenko/patch-1

Added .DS_Store to .gitignore.