[Fix]: Issue #83 and #89 - reconnect issues

• [Changed]: The custom ILogger is new replaced by Microsoft.Extension.Logging.ILogger|ILogger<T>. Read more
• [Fix]: Unnecessary disposal and re-open of stream when using SSL.

[Fix]: #75 - When issuing requests really fast, there could be a collision in the request id being used. Thanks @igoree for the fix.

[Fix]: Fixes around large message parsing to solve #69

• [New]: Introduces a more safe async pub many construct via client.PubManyAsync thanks @igoree
• [Changed]: Given the new client.PubManyAsync the client.PubMany now gets a publisher that only allows sync publishers. For async publishes use client.PubManyAsync.

[Fix]: #69 via #70 - sometimes the full payload wasn't read from the buffered stream. Thanks @thyn and @igoree for reporting

[New]: Support for specifying custom connection name useful in e.g monitoring, via #65

[Fix]: #55 via #63 - you can now Subscribe and SubscribeAsync again even if not connected.

[New]: Allows for a bit more control of the consumer scheduling via #61

[New]: Adds Catch Rx Observable and CatchAny and Catch aliases via #60