message: Fix Compression section
diff: @@ -174,12 +174,13 @@ and [lz4](https://code.google.com/p/lz4/). To use compression just start connect
  with desired type:
  ```rust
  +use cdrs::compression::Compression;
  // session without compression
  -let mut session_res = client.start(compression::None);
  +let mut session_res = client.start(Compression::None);
  // session lz4 compression
  -let mut session_res = client.start(compression::Lz4);
  +let mut session_res = client.start(Compression::Lz4);
  // v with snappy compression
  -let mut session_res = client.start(compression::Snappy);
  +let mut session_res = client.start(Compression::Snappy);
  ```
  ### Query execution
  @@ -368,6 +369,10 @@ async IO library they want.
  To find an examples please refer to [examples](./examples/server_events.rs).
  +### Cassandra clusters and load balancing
  +
  +CDRS supports Apache Cassandra clusters and load balancing.
  +
  ### Supported features
  - [x] lz4 decompression
  - [x] snappy decompression
  @@ -375,7 +380,7 @@ To find an examples please refer to [examples](./examples/server_events.rs).
  - [x] tracing information
  - [x] warning information
  - [x] SSL encrypted connection
  -- [ ] load balancing
  +- [x] load balancing
  - [x] connection pooling
  ### Frames
  