Adding Test data from https://github.com/Islandora/islandora_solution_pack_pdf/pull/42
Changed Parameter Type Hinting to only use the top level Abstract class
7.x grammar and clarity fixes
Merge pull request #46 from jonathangreen/7.x-grammar

7.x grammar and clarity fixes
Merge pull request #43 from nigelgbanks/7.x-fixtures

Adding Test data from https://github.com/Islandora/islandora_solution_pa...
Merge pull request #44 from nigelgbanks/7.x-fcrepo4

Changed Parameter Type Hinting to only use the top level Abstract class
Fixed merge conflicts.