provide ifx
sync thread.
new sync logic.
sync fetch
testing sync fetch.
Merged ytkyaw/ydn-db into master
implementing sync.
implementing sync.
Merged ytkyaw/ydn-db into master
websql: fix values and count queries when using array as keyPath
ydn.db.KeyRange.parseKeyRange return KeyRange instead of IDBKeyRange
Revert "ydn.db.KeyRange.parseKeyRange return KeyRange instead of IDBKeyRange"

This reverts commit bbb118c161df46e6830df7b2c14c7e69b31043dd.
re-fix ydn.db.KeyRange.parseKeyRange.
iterator: fix getKeyRange
fix undeclared variable
Merged in david_phan/ydn-db (pull request #4)

WebSQL and array as KeyPath index
merge test.
Merged ytkyaw/ydn-db into master
websql, database creation: ensure there is no duplicate columns
websql, toWhereClause: fix when an array is passed to KeyRange.only