Export the names of the functions used in each element

See #79
Fix a typo s/assinged/assigned/
Remove a redundant class constructor
Avoid duplicate entries for multi-use hooks

Check against the post title instead of the post slug. (Thanks
@GaryJones)

Fixes #42
Import ending line numbers

See #12, #75
Merge pull request #93 from JDGrimes/import-end-line

Import ending line numbers
Merge pull request #92 from JDGrimes/issue-42

Avoid duplicate entries for multi-use hooks
Merge pull request #85 from JDGrimes/export-functions-called

Export the names of the functions used in each element