Bump version number to 1.2.3
Update README.
Fix. null values were throwing Exception
Bump version number to 1.2.4
Fix: relation was not stored in attribute array when loaded
Bump version number to 1.2.5
Bump version number to 1.2.3
Feature: IN() and NOT IN() allowed
Add a test
Conditions use array instead of objects.
Merge branch 'hotfix-cond' into develop

Conflicts:
	lib/Database/Compiler/BaseCompiler.php
	lib/Database/Condition.php
	tests/Database/Compiler/BaseCompilerTest.php
Merge branch 'hotfix-in' into develop

Conflicts:
	tests/Database/Builder/WhereBuilderTest.php
Move compiler management in connection
Remove Condition
Transform Basic cond into In cond when needed
Bump version number to 1.2.7
Merge branch 'release-1.2.7'