implements primary key columns and foreign key columns
Also we can use the getter foreignTableOrType that returns a foreign
table name or just a column type.

 A example of usage is if you want transform foreign keys in Object.

 [#list table.columns as column]public ${column.foreignTableOrType} ${column.f
oreignTable};[/#list]
New method to return a refered table name or just the column name[C
adds another collection list
another way to show class attributes
dois templates para teste
cria a interface de Render e move modelos para package correta
Alteracoes nos atributos dos modelos

temos uma forma de checar se a tabela e composicao de outra
campos de tabela referenciada renomeadas
Merge branch 'master' of github.com:heat/ironbone
Merge remote-tracking branch 'heat/master'