Update changelog for 0.12.2 features
Update changelog for 0.12.2 features

WaltRock/knex,carragom/knex,tgriesser/knex,CorvusCorrax/knex,noodle/knex,tgriesser/knex,abegines/knex,CorvusCorrax/knex,abegines/knex,wubzz/knex,carragom/knex,statyan/knex,wubzz/knex,tgriesser/knex,noodle/knex,statyan/knex,WaltRock/knex,Atlantis-Software/knex,Atlantis-Software/knex