properly handle empty text entry fields (including transformations)

milo/plugins/item/manageTab.lua

@@ -21,12 +21,12 @@ local manageTab = UI.Tab {
 		[2] = UI.TextEntry {
 			width = 7,
 			formLabel = 'Min', formKey = 'low', help = 'Craft if below min',
-			validate = 'numeric',
+			transform = 'number',
 		},
 		[3] = UI.TextEntry {
 			width = 7,
 			formLabel = 'Max', formKey = 'limit', help = 'Send to trash if above max',
-			validate = 'numeric',
+			transform = 'number',
 		},
 		[4] = UI.Checkbox {
 			formLabel = 'Ignore Dmg', formKey = 'ignoreDamage',

milo/plugins/remote/setup.lua

@@ -21,7 +21,7 @@ local setup = UI.SlideOut {
 			help = 'ID for the server',
 			shadowText = 'Milo server ID',
 			limit = 6,
-			validate = 'numeric',
+			transform = 'number',
 			required = true,
 		},
 		[2] = UI.TextEntry {
@@ -29,7 +29,7 @@ local setup = UI.SlideOut {
 			help = 'Use a slot for sending to storage',
 			shadowText = 'Inventory slot #',
 			limit = 5,
-			validate = 'numeric',
+			transform = 'number',
 			required = false,
 		},
 		[3] = UI.Checkbox {

milo/plugins/storageView.lua

@@ -15,14 +15,14 @@ local storageView = UI.WizardPage {
 			formLabel = 'Priority', formKey = 'priority',
 			help = 'Larger values get precedence',
 			limit = 4,
-			validate = 'numeric',
+			transform = 'number',
 			shadowText = 'Numeric priority',
 		},
 		[2] = UI.TextEntry {
 			formLabel = 'Refresh', formKey = 'refreshInterval',
 			shadowText = 'seconds between refresh',
 			limit = 4,
-			validate = 'numeric',
+			tranform = 'number',
 			help = 'Refresh periodically',
 		},
 		[3] = UI.TextArea {