remove redundant checks

clean and rearrange

use tokenType constant in Write

only try to match when it is a JSON key

handle unexpected token

update doc-string

Added the ability to remove any depth keys and items

Add the ability to compose new json object after remove items from the original json object

Modify tag so the test does not leak into performance benchmark test and dirty test results

MB-36088 - Refactored much of data type comparisons and added N1QL-like collate to fast matcher

Fixes #84: Implement validity check when comparing, and ensure that invalid type comparisons

MB-36088 - implement NaN float comparisons

MB-35091 - Reorganized AND/OR parsing EBNF to capture all cases correctly

Fixes #116:

MB-34861 - Allow key to be first operand in a simple math expr