Made some functions private in the Formula and FormulaRepo classes

lib/Formula.py

@@ -11,10 +11,10 @@ class Formula():
         self.formulas_dir = formulas_dir
         self.formulas_url = formulas_url
         self.formula_def = formula_def
-        self.parse_entry()
+        self.__parse_entry()
 
     # sets the formula's git_url and local_path variables
-    def parse_entry(self):
+    def __parse_entry(self):
         # define our function variables here
         git_url = ''
         local_path = ''

lib/FormulaRepo.py

@@ -16,7 +16,7 @@ class FormulaRepo():
         self.repo_path = formula.local_path
 
     # sets up our class' repo instance
-    def bake(self):
+    def __bake(self):
         self.repo = sh.git.bake(_cwd=self.repo_path)
 
     # list of git branches
@@ -68,7 +68,7 @@ class FormulaRepo():
             print(self.repo_path + ' already exists, so we\'re not downloading it again.')
 
         # set up our class repo instance
-        self.bake()
+        self.__bake()
 
     # check if the repo is up to date
     def check_tracking_info(self, branch):