rename adapter from Exqlite to SQLite3

Author: kevinlang

lib/ecto/adapters/exqlite.ex renamed to lib/ecto/adapters/sqlite3.ex

@@ -1,11 +1,11 @@
-defmodule Ecto.Adapters.Exqlite do
+defmodule Ecto.Adapters.SQLite3 do
   use Ecto.Adapters.SQL,
     driver: :exqlite
 
   @behaviour Ecto.Adapter.Storage
   @behaviour Ecto.Adapter.Structure
 
-  alias Ecto.Adapters.Exqlite.Codec
+  alias Ecto.Adapters.SQLite3.Codec
 
   @impl Ecto.Adapter.Storage
   def storage_down(options) do
@@ -207,7 +207,7 @@ defmodule Ecto.Adapters.Exqlite do
           Your config/*.exs file should have something like this in it:
 
             config :my_app, MyApp.Repo,
-              adapter: Ecto.Adapters.Exqlite,
+              adapter: Ecto.Adapters.SQLite3,
               database: "/path/to/sqlite/database"
           """
   end

lib/ecto/adapters/exqlite/codec.ex renamed to lib/ecto/adapters/sqlite3/codec.ex

@@ -1,4 +1,4 @@
-defmodule Ecto.Adapters.Exqlite.Codec do
+defmodule Ecto.Adapters.SQLite3.Codec do
   def bool_decode(nil), do: {:ok, nil}
   def bool_decode(0), do: {:ok, false}
   def bool_decode("0"), do: {:ok, false}

lib/ecto/adapters/exqlite/connection.ex renamed to lib/ecto/adapters/sqlite3/connection.ex

@@ -1,4 +1,4 @@
-defmodule Ecto.Adapters.Exqlite.Connection do
+defmodule Ecto.Adapters.SQLite3.Connection do
   @behaviour Ecto.Adapters.SQL.Connection
 
   alias Ecto.Migration.Constraint
@@ -10,7 +10,7 @@ defmodule Ecto.Adapters.Exqlite.Connection do
   alias Ecto.Query.QueryExpr
   alias Ecto.Query.WithExpr
 
-  import Ecto.Adapters.Exqlite.DataType
+  import Ecto.Adapters.SQLite3.DataType
 
   @parent_as __MODULE__
   @connect_buffer 50

lib/ecto/adapters/exqlite/data_type.ex renamed to lib/ecto/adapters/sqlite3/data_type.ex

@@ -1,4 +1,4 @@
-defmodule Ecto.Adapters.Exqlite.DataType do
+defmodule Ecto.Adapters.SQLite3.DataType do
   # Simple column types. Note that we ignore options like :size, :precision,
   # etc. because columns do not have types, and SQLite will not coerce any
   # stored value. Thus, "strings" are all text and "numerics" have arbitrary