01
show formulas on edit form
Localize and dummy for Formula class
delocalize
CREATE TABLE `dag_formula`
Can parse some expressions

Viewers {self.child.person.forename} could access
{COUNT(self.child.folder.id)} subfolders.
enhanced path parsing

- negate relationships with minus prefix i.e. for accessing parent use
"-child"
- access properties directly under entity ie: "self.name" or "4.email"
introduced formula dependencies
FIX: add dag_formula create table to previous commit
Detect circular references in formulas
hotfix: bug introduced by refactoring entity.set_property method
update depending formulas
hotfix
hotfix
Fixed missing unicode encoding
resolved merge conflict
Merge branch 'develop' into formula-field

Conflicts:
	app/db.py
Merge branch 'develop' into formula-field
path
Merge branch 'develop' into formula-field

Conflicts:
	app/db.py
	app/entity.py