Change recipe portion fields from int to float

apiary.apib

@@ -1813,9 +1813,9 @@ Deletes this recipe  from the server
 |date|yyyy-mm-dd|the date the recipe is served. If **no date** is provided, **only a rating** of the recipe is returned.|best practice|
 |location|string|location where the recipe is cooked. Address or country (arbitrary format) |no; kitchen location will be used|
 |servings (deprecated)|int|for how many servings the ingredients are given. |no; use 'recipe-portions'|
-|recipe-portions|int|for how many portions the ingredients are specified.  Replaces 'servings'. |no; fallback is 1|
-|production-portions|int|how many portions of the recipe are planned to be produced.|   no|
-|sold-portions|int|how many portions of the recipe were really sold (i.e. consumed). This is used by the prognosis endpoint to predict the sales.|no|
+|recipe-portions|float|for how many portions the ingredients are specified.  Replaces 'servings'. |no; fallback is 1|
+|production-portions|float|how many portions of the recipe are planned to be produced.|   no|
+|sold-portions|float|how many portions of the recipe were really sold (i.e. consumed). This is used by the prognosis endpoint to predict the sales.|no|
 |instructions|list of language objects|cooking instructions for the recipe in different languages (array of language objects)|   no|
 |ingredients|list of ingredients|a list of all ingredient resources in this recipe |yes|
 |menu-line-name|string|A descriptor for the menu line ("Menu 1", "Garden Menu", "Vegan Menu")|no|