Fixed incorrect item sorting.
Merge pull request #1 from JGefroh/fix/item-sorting-incorrect

FIX: Fixed incorrect item sorting.
Update README.md
Fixed exception with resetting input field for items.
Merge pull request #2 from JGefroh/fix/using-undefined-variable

FIX: Fixed exception with resetting input field for items.
Incremented version number to v0.0.2.
Merge branch 'release/v0.0.2'