Reorder table creations to respect foreign key.
Changes uuid pack to compact in Sequel#Session.
Change uuid fields size to MySQL complience
Bump version to 0.24.0
Merge pull request #92 from maxigit/38572037_change_db_from_sqlite_to_mysql

38572037 change db from sqlite to mysql
[#42646887] Add tube rack move action
[#42646887] Add comments, remove useless custom exception.
[#42646887] Allow nil value in []= method
[#42646887] Tube rack move specs pass
[#42646887] Small changes in the spec
Bump to version 0.26.0
Update doc
Merge pull request #94 from maxigit/42646887_move_tube_action

42646887 move tube action
[#42646511] Change tubes attribute name to tubes_description
[#42646797] Add tube rack transfer action
[#42646797] Define NoTubeInTargetLocation exception
[#42646797] Add tube rack transfer spec
[#42646797] Tube rack transfer specs pass
[#42646797] Refactor spec to use tube_rack factory
[#42646797] Fix parameter name to tubes