diff --git a/README b/README
index a65aaa08..17e38a69 100644
--- a/README
+++ b/README
@@ -38,9 +38,10 @@ Hostname defaults to "ec2.amazonaws.com".
 Then you can simply call, e.g. erlcloud_ec2:describe_images().
 
 You don't need to call erlcloud_ec2:configure() if you provide your credentials
-in the AMAZON_ACCESS_KEY_ID and AMAZON_SECRET_ACCESS_KEY environmental
-variables.
+in the environmental variables
 
+> AWS_ACCESS_KEY_ID
+> AWS_SECRET_ACCESS_KEY
 
 
 Configuration object usage:
@@ -55,3 +56,12 @@ For usage information, consult the source code and refer to the API reference at
 - http://docs.amazonwebservices.com/AWSEC2/2009-11-30/APIReference/
 - http://docs.amazonwebservices.com/AmazonS3/2006-03-01/API/
 - http://docs.amazonwebservices.com/AmazonSimpleDB/latest/DeveloperGuide/
+
+Roadmap
+-------
+
+v0.8.0
+* Existing code
+
+v1.0.0
+* Refactored code for better return values (issue #7)
diff --git a/package.exs b/package.exs
new file mode 100644
index 00000000..05f6c596
--- /dev/null
+++ b/package.exs
@@ -0,0 +1,5 @@
+Expm.Package.new(name: "erlcloud", description: "Cloud Computing library for Erlang (Amazon EC2, S3, SQS, SimpleDB, Mechanical Turk, ELB) ",
+                 version: "0.8.0", keywords: ["cloud", "api", "amazon", "ec2", "s3", "sqs"], 
+                 maintainers: [[name: "Gleb Peregud", 
+                                email: "gleber.p@gmail.com"]],
+                 repositories: [[github: "gleber/erlcloud"]])
\ No newline at end of file
diff --git a/src/erlcloud.app.src b/src/erlcloud.app.src
index 91678f60..3838924f 100644
--- a/src/erlcloud.app.src
+++ b/src/erlcloud.app.src
@@ -8,8 +8,8 @@
   {applications, [stdlib,
                   kernel,
                   sasl,
-                  public_key,
                   crypto,
+                  public_key,
                   ssl,
                   xmerl,
                   inets]},
diff --git a/src/erlcloud.erl b/src/erlcloud.erl
index 884dea45..7fd98d41 100644
--- a/src/erlcloud.erl
+++ b/src/erlcloud.erl
@@ -6,5 +6,5 @@
 start() ->
     application:load(?APP),
     {ok, Apps} = application:get_key(?APP, applications),
-    lists:foreach(fun application:start/1, Apps),
+    [application:start(App) || App <- Apps],
     application:start(?APP).
diff --git a/src/erlcloud_s3.erl b/src/erlcloud_s3.erl
index 38d7e824..60162d00 100644
--- a/src/erlcloud_s3.erl
+++ b/src/erlcloud_s3.erl
@@ -439,7 +439,7 @@ get_object_metadata(BucketName, Key, Options, Config) ->
      {version_id, proplists:get_value("x-amz-version-id", Headers, "false")}|extract_metadata(Headers)].
 
 extract_metadata(Headers) ->
-    [{Key, Value} || {["x-amz-meta-"|Key], Value} <- Headers].
+    [{Key, Value} || {Key = "x-amz-meta-" ++ _, Value} <- Headers].
 
 -spec get_object_torrent(string(), string()) -> proplist().
 
@@ -547,7 +547,7 @@ put_object(BucketName, Key, Value, Options, HTTPHeaders, Config)
   when is_list(BucketName), is_list(Key), is_list(Value) orelse is_binary(Value),
        is_list(Options) ->
     RequestHeaders = [{"x-amz-acl", encode_acl(proplists:get_value(acl, Options))}|HTTPHeaders]
-        ++ [{["x-amz-meta-"|string:to_lower(MKey)], MValue} ||
+        ++ [{"x-amz-meta-" ++ string:to_lower(MKey), MValue} ||
                {MKey, MValue} <- proplists:get_value(meta, Options, [])],
     ContentType = proplists:get_value("content-type", HTTPHeaders, "application/octet_stream"),
     POSTData = {iolist_to_binary(Value), ContentType},