TOC changes. No tree required, we use the layer more or less directly
Switched over to using meta without applying it to the tree
Getting drawer to use reg_part instead of part
Removing the tree, as it is now unused
Fixed error handling, removed need to get tree
Fixed tests
Added tests
Added tests
Removed unused file
Fixed merge conflict
Removed extra context variable
Fixed test
PEP8
Fixed broken link
Merge pull request #364 from khandelwal/fix_chrome

The chrome doesn't use the tree anymore