diff --git a/README.md b/README.md
index fd049a848..edd069e42 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,6 @@ Drone documentation is organized into several categories:
 * [Plugin Guide](http://readme.drone.io/docs/plugin/)
 * [API Reference](http://readme.drone.io/docs/api/)
 
-### Community
+### Community, Help
 
-Contributions, questions, and comments are welcomed and encouraged. Drone developers hang out in the [drone/drone](https://gitter.im/drone/drone) room on [gitter](https://gitter.im/drone/drone).
+Contributions, questions, and comments are welcomed and encouraged. Drone developers hang out in the [drone/drone](https://gitter.im/drone/drone) room on gitter. We ask that you please post your questions to [gitter](https://gitter.im/drone/drone) before creating an issue.
diff --git a/doc/setup/mysql.md b/doc/setup/mysql.md
index 2cd2109a9..380cf76f7 100644
--- a/doc/setup/mysql.md
+++ b/doc/setup/mysql.md
@@ -5,8 +5,8 @@
 Drone comes with support for MySQL as an alternate database engine. To enable Postgres, you should specify the following environment variables:
 
 ```
-DATASTORE_DRIVER="mysql"
-DATASTORE_CONFIG="root:pa55word@tcp(localhost:3306)/drone"
+DATABASE_DRIVER="mysql"
+DATABASE_DATASOURCE="root:pa55word@tcp(localhost:3306)/drone"
 ```
 
 ## MySQL connection
diff --git a/doc/setup/postgres.md b/doc/setup/postgres.md
index 24af892c9..fb4ddcaf6 100644
--- a/doc/setup/postgres.md
+++ b/doc/setup/postgres.md
@@ -4,8 +4,8 @@
 Drone comes with support for Postgres as an alternate database engine. To enable Postgres, you should specify the following environment variables:
 
 ```
-DATASTORE_DRIVER="postgres"
-DATASTORE_CONFIG="postgres://root:pa55word@127.0.0.1:5432/postgres"
+DATABASE_DRIVER="postgres"
+DATABASE_DATASOURCE="postgres://root:pa55word@127.0.0.1:5432/postgres"
 ```
 
 ## Postgres connection
diff --git a/doc/setup/sqlite.md b/doc/setup/sqlite.md
index 31fadf637..473541c3f 100644
--- a/doc/setup/sqlite.md
+++ b/doc/setup/sqlite.md
@@ -3,13 +3,13 @@
 Drone uses SQLite as the default database with zero configuration required. In order to customize the SQLite database configuration you should specify the following environment variables:
 
 ```
-DATASTORE_DRIVER="sqlite3"
-DATASTORE_CONFIG="/var/lib/drone/drone.sqlite"
+DATABASE_DRIVER="sqlite3"
+DATABASE_DATASOURCE="/var/lib/drone/drone.sqlite"
 ```
 
 ## Sqlite3 connection
 
-The components of this connection string are:
+The components of the datasource connection string are:
 
 * `path` local path to sqlite database. The default value is `/var/lib/drone/drone.sqlite`.
 
diff --git a/pkg/types/config.go b/pkg/types/config.go
index 6a431b613..7d219e58e 100644
--- a/pkg/types/config.go
+++ b/pkg/types/config.go
@@ -47,6 +47,7 @@ type Step struct {
 	Entrypoint  []string
 	Command     []string
 	Volumes     []string
+	Cache       []string
 	WorkingDir  string `yaml:"working_dir"`
 	NetworkMode string `yaml:"net"`
 
diff --git a/pkg/utils/sshutil/sshutil.go b/pkg/utils/sshutil/sshutil.go
index 7def573e2..197265f00 100644
--- a/pkg/utils/sshutil/sshutil.go
+++ b/pkg/utils/sshutil/sshutil.go
@@ -37,3 +37,16 @@ func MarshalPrivateKey(privkey *rsa.PrivateKey) []byte {
 	privateKeyPEM := pem.EncodeToMemory(&pem.Block{Type: "RSA PRIVATE KEY", Headers: nil, Bytes: privateKeyMarshaled})
 	return privateKeyPEM
 }
+
+// helper function to encrypt a plain-text string using
+// an RSA public key.
+func Encrypt(pubkey *rsa.PublicKey, msg string) ([]byte, error) {
+	return rsa.EncryptPKCS1v15(rand.Reader, pubkey, []byte(msg))
+}
+
+// helper function to encrypt a plain-text string using
+// an RSA public key.
+func Decrypt(privkey *rsa.PrivateKey, secret string) (string, error) {
+	msg, err := rsa.DecryptPKCS1v15(rand.Reader, privkey, []byte(secret))
+	return string(msg), err
+}