Remove __destructor from MysqliDb

Fix issue where orderBy strips spaces from fieldname

Allow garbage collection to close mysqli instance connection, instead of closing it in the destructor.

Adding ORDER BY REGEXP possibilites

remove duplicate code example (OR clause)

add socket option to mysqlidb constructor

Added a function to disconnect from mysql server

Example of use:
$MySqliDb->orderBy('name', 'desc', '^[a-zA-Z0-9]')->orderBy('name', 'desc');
// Is going to order by name but placing those name starting with special charaters at the end

Add "hidden" columns/fields into dbObject

liberate username and password variables for dbobject use

fixed delete statement return value

Added guard check at the beginning of the method, removed name === 'hidden' (that was useless).

Fixed byId and provide pagination with data type

- Fixed using byId error in active record pattern
- Provide pagination with data type (object, array, json)

new 2.7 release

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Update readme.md exectution typo

fix html syntax error

ensures php5.3 compatible array syntax

insertMulti implementation by using transactions

- MysqliDb::insertMulti() requires at least a table-name and
two-dimensional array containing the data-sets
- the third parameter $dataKeys can contain an array, setting|overriding
the table column names in the data-sets
- removes some unnecessary linebreaks and comments
- fixes typo
- adds insertMulti() to Readme
- adds MysqliDB::insertMulti() insertion tests
- removes whitespace changes

Adding error number to exception

More exception gets mysql error number with the second parameter:
connect()
queryUnprepared()
lock()
unlock()

Adding mysqli error number to exception in _prepareQuery method

Syncing joshcam master