Added queuing to KIOEventStore to keep high throughput addEvent calls from stepping on other SQLite operations
Added sqlite amalgamation lib, removed libsqlite3.dylib dependency
Moved completion block into a separate dispatch_async that calls the main queue instead of using a semaphore that blocks forever in uploadWithFinishedBlock
Merge branch 'semaphore-blocks-main-queue' into 26-objectatindex-exception-when-deleting-events
Resolved duplicate result status issue in prepareJSONData
Merge branch '26-objectatindex-exception-when-deleting-events' into 27-use-sqlite-amalgamation
Added keen_io_ prefix to all sqlite3 methods and structures
Added SDK version constant, added to logging
Refactored array deallocation to be moar better
Added dispatch queue to openDB, createTable and closeDB methods in KIOEventStore
Tweaked kKeenSdkVersion output
Merge pull request #28 from keenlabs/27-use-sqlite-amalgamation

SQLite hotfix, queuing and amalgamation