Update the Readme

[paul-hph]

No description provided.

[UmanShahzad]

We can also just consider using something else for caching in the underlying PHP library.

@rm-Umar

[rm-Umar]

We can also just consider using something else for caching in the underlying PHP library.

@rm-Umar

Yes, we can, I just checked, and sabre/cache is still on ^1.0 for some reason.
https://github.com/sabre-io/cache/blob/1d80519ebbb125b06fe0661bb01b9f304839b842/composer.json#L18

[UmanShahzad]

Let's do that then in our php lib, gotta find some new cache library.

[Samuel-Gill]

@UmanShahzad What should be our goal moving forward ? I guess we have following options:

• Update the PHP library to use psr/simple-cache 3 , this requires updating whole codebase, cache usage, run tests, documentation, release and versioning.
• Ask the user to rm composer.lock and composer install again. As psr/simple-cache 3 which comes with latest version also supports previous versions.

[UmanShahzad]

@Samuel-Gill as discussed let's use some new cache lib in the PHP SDK, publish that change, then update its version here. Should fix all the issues.

[abu-usama]

We decided to go ahead with symfony/cache in our php library. (See this change here). The current latest version of this library, 2.6.0, incorporates that change.
Closing this PR due to irrelevancy.
cc: @UmanShahzad