Make mstart case insensitive

lib/ransack_mongo/mongo_adapter.rb

@@ -33,7 +33,7 @@ module RansackMongo
     def mstart_matcher(attr, value)
       values = value.split(",").map do |current|
         if (current = current.strip).length > 0
-          /^#{current}/
+          /^#{current}/i
         end
       end.compact
 

spec/ransack_mongo/mongo_adapter_spec.rb

@@ -46,19 +46,19 @@ module RansackMongo
       it 'returns the matcher' do
         subject.mstart_matcher('name', 'Pablo, Bruno,Dude')
 
-        expect(subject.to_query).to eq("name" => { "$in" => [/^Pablo/, /^Bruno/, /^Dude/] })
+        expect(subject.to_query).to eq("name" => { "$in" => [/^Pablo/i, /^Bruno/i, /^Dude/i] })
       end
 
       it 'cleans up the input' do
         subject.mstart_matcher('name', ',, , ,Pablo,,,,   ,, , , ,')
 
-        expect(subject.to_query).to eq("name" => { "$in" => [/^Pablo/] })
+        expect(subject.to_query).to eq("name" => { "$in" => [/^Pablo/i] })
       end
 
       it 'accepts single values' do
         subject.mstart_matcher('name', 'Pablo')
 
-        expect(subject.to_query).to eq("name" => { "$in" => [/^Pablo/] })
+        expect(subject.to_query).to eq("name" => { "$in" => [/^Pablo/i] })
       end
     end