Merge branch 'driver-into-separate-namespace' into 'master'

.idea/cursor.iml

.idea/modules.xml

README.md

examples/basic-example.php

src/Cursor.php

src/Driver/ICursorDriver.php

src/Driver/PostgresCursorDriver.php

src/Driver/PostgresCursorFactory.php

src/ICursor.php

src/Position.php

src/PositionOrigin.php

src/SemanticCursor.php

src/SemanticTrackedCursor.php

src/TrackedCursor.php

tests/Cursor/CursorTest.phpt

tests/Cursor/Driver/ArrayCursorDriver.php

tests/Cursor/ICursorTest.php

tests/Cursor/PostgresCursorTest.phpt

tests/Cursor/SemanticCursorIntegration.phpt

tests/Cursor/SemanticCursorTest.phpt