Release v2.1.4

Fix syntax errors (#181)

close https://github.com/tencentyun/cos-php-sdk-v5/issues/180

Release v2.1.3

• Add download interface, which is used for concurrent block download.
• Add callback of upload and download progress
• Fix request retry

release v2.1.1

Fix bug of twice urlencode

release v2.1.0

1、upload support upload with multithread
2、Add retry params for interface retry
3、Support add customer header
4、Signature will restrict part of the header and all parameters
5、Fix listBuckets with doamin

release v2.0.9

1. fix listObjectVersions
2. fix getObject with saveas

release v2.0.8

1. Fix bug of get presigned url with tmpSecret

release v2.0.7

1. Fix response of ListParts

release v2.0.6

1. Support Domain
2. Add Select Object Content Interface
3. Add Traffic Limit
4. Fix bug of object endswith /

release v2.0.5

1. Fix bug when upload object with metadata

release v2.0.4

1. Fix bug of using ip-port