Added Null filters to primary key fields so they get set to null instead of an empty string
Added partial dir to product-clip partial
Two additional fixes to fix display in the catalog of a product with nested options and option groups.
Merge pull request #84 from shipleyr/bugfix/save-items

Added Null filters to primary key fields so they get set to null instead...
Merge pull request #88 from shipleyr/bugfix/missing-dependency

Added zfc-admin as a missing dependency to the composer.json file.
Merge pull request #87 from shipleyr/bugfix/catalog-manager/sub-products

Added partial dir to product-clip partial