Merge pull request #7 from a2800276/master

handle ref params.
make RefResolver class for resolving json pointers
v0.2.4
recursive search for schemas inside the base schema path if a schema cannot be found inside the base path
handle the definition of oneOf - types for nested objects, clear top level :class_name option switch when parsing nested structures e.g array, objects
v0.2.5
read object schemas from nested folder structure
test oneOf definition of nested objects
v0.2.6
.gitignore
recursively load nested $refs
Merge branch 'a2800276-nested_ref_tests'
change array-property to read the array value-type from the items key
changelog
remove :exclude_root option for object to schema_hash parser. if you want a root-object type definition you MUST define it in the schema, add :links option to add _links inline in any rendered object
add comment to ref resolver
Merge branch 'master' of https://github.com/salesking/json_schema_tools

Conflicts:
	.gitignore
resolve refs with relative uris relative to schema file location