prepare for 2.7 release.

Update the version file and the README.

Author: adobeDan

HISTORY.md

@@ -100,9 +100,9 @@ Enhancement release:
 * (No Issue)
     * Read the wall clock to return an accurate "total time" in the `UnavailableError` (and associated logging).
 
-### Version 2.6
+### Version 2.6, 2.7
 
-Bug fix release:
+Bug fix releases: The first fix attempt had problems, the second is better.
 
 * [Issue 50](https://github.com/adobe-apiplatform/umapi-client.py/issues/50)
     * Unicode input for email produced error strings that were incorrectly encoded, so clients crashed trying to use them.

umapi_client/version.py

@@ -18,4 +18,4 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-__version__ = "2.6"
+__version__ = "2.7"