added a proposes fetchEach method

the fetchEach method fetches a sequential array of all rows from the database and apply a callable function to each found row
added testFetchEach test

test the fetchEach Method added to AbstractConnection.php
Added the callback parameters to fetch/* methods
Added tests for the added callback parameter in fetch/All/Assoc/Col/Pairs Methods
Merge pull request #47 from MAXakaWIZARD/develop

Query\Mysql\Update object with LIMIT feature
Merge pull request #48 from nyamsprod/develop

add a callable to apply to fetch*() results
for callable, use the row key instead of sequential index count, add disconnect() method to help postgres with limited connections, update tests
remove $index from callbacks
Merge branch 'develop' of https://github.com/MAXakaWIZARD/Aura.Sql into MAXakaWIZARD-develop
simplify the flags tracking, rename to getFlagsAsString(), whitespace cleanup
use $enable, not $flag, for consistency
improve test coverage
Add minimum-stability dev
updated composer