new release  https://github.com/zcoinofficial/ccminer/releases/tag/1.1.26

* rearrange how the cards are assigned to threads. this should correct the issue described here in issue #4
the previous release (not announced here) were correcting:
* correct more crash issues...
These crash were occurring when the pool stop sending data or is unable to send data.

When this happen, the stratum thread is restarted.
In case of vardiff, the last difficulty is used when the thread is restarted.