Merge pull request #16 from ulfnielsen/master

handle embedded fields in models
field omit sql tag
inserted todo comments where schema needs to be modified
updated dialect interface to support multi column indexes
prefix model specific types with Model, added ModelIndex type
fixed comment
index type
check skip tag first
index fields
updated with index types
create indexes alongside table
update schema when a method is invoked that affects the table
test schema generation
change parameter name not to interfere with import
auto generate schema file with hood tool
updated readme for schema generation
forgot package and imports
fixed whitespace
requires tab (or 4 spaces)
changed wording