fixes (ThingEngineer#660)

* fixed limit variable ordering in the comments

* Expand readme on autoreconnect and multipe connections usage

Merge pull request ThingEngineer#551 from avbdr/master

new 2.7 release

Merge pull request ThingEngineer#473 from avbdr/master

reword prepere() error. Fix for tableExists. Bump for 2.6 release

Merge pull request ThingEngineer#354 from avbdr/master

update version to 2.5

Merge pull request ThingEngineer#341 from avbdr/master

fixes

Merge pull request ThingEngineer#305 from avbdr/master

Fix getValue for NULL values

Merge pull request ThingEngineer#275 from avbdr/master

Tag version 2.2

Merge pull request ThingEngineer#236 from avbdr/master

buildWhere refactoring and versioning

updated class file name