-add masterOnly parameter in getCluster fuction (colinmollenhour#146)

Co-authored-by: Chuang Zhang <[email protected]>

-add master only mode (colinmollenhour#145)

Co-authored-by: Chuang Zhang <[email protected]>

Update VERSION constant

Fixes connectionStrings parsing (colinmollenhour#141)

* travis has built-in redis-server 6.0.5

- make downloaded redis-server PATH priority higher then built-in one

* Fixes connectionStrings parsing

- Fixes port always be 6379 even no port specified in host string and specified the port number other then 6379 in constructor
- Fixes persistent too

* Added test cases

- Code Cleanup

Co-authored-by: Colin Mollenhour <[email protected]>

fix syntax error urgently (colinmollenhour#138)

closes colinmollenhour#137

change argument order of implode (colinmollenhour#131)

to follow the documented order,
reverse order is deprecated from php 7.4 on

Enable encrypted connections with TLS (colinmollenhour#129)

* Enable encrypted connections with TLS

Use standalone PHP driver because PHP Redis extension doesn't work with TLS.
Syntax `$redis = new Credis_Client('tls://host[:port][/persistence_identifier]')`

* Enable encrypted connections with TLS

Credis_Cluster - Fix hashing mechanism for array arguments (colinmoll…

…enhour#111)

Merge pull request colinmollenhour#101 from Xon/patch-1

Test against redis v4 & test phpredis v4 (breaking API change for exists())

WIP: Add unit tests for PHP 5.5 (colinmollenhour#95)

* Add unit tests for PHP 5.5