install sequelize
switch varchar column type to text
add #have_enum test
use subject db in the test
added failure messages texts
added #with_types helper
fix enum roles comparsion
do not interpolate array in failure description
fix not_to flying bug
update README
rename enum_types to enum_values
refactor  #with_values to accept array/list of strings
Merge pull request #4 from lessless/03-expectation-for-enums

03 expectation for enums