Merge branch 'release/v0.3.5' into develop

* release/v0.3.5:
  bumps version
Multiple changes ( fix #14) :
(1) Ensure that the public schema gets rolled back only once
(2) Dump the schema.rb after rollback
bumps version
Merge branch 'release/v0.3.6'

* release/v0.3.6:
  bumps version
  Multiple changes ( fix #14) : (1) Ensure that the public schema gets rolled back only once (2) Dump the schema.rb after rollback