Adding the neo4j interface and a few test cases. The store word and email nodes are still buggy
Adding the code to save an email and word node and add it to the index
Syncing code with the branch. Function to retrieve relationship between 2 nodes is still buggy.
Fixed bug where the isNodeExists function was returning an array instead of a Node object.
Adding code to update the relationship between a word and email token
Merge branch 'feature/storenodes' into develop