diff --git a/src/common.rs b/src/common.rs
new file mode 100644
index 000000000..39294155c
--- /dev/null
+++ b/src/common.rs
@@ -0,0 +1,7 @@
+pub use standard::*;
+pub use error::*;
+pub use hash::*;
+pub use uint::*;
+pub use bytes::*;
+pub use vector::*;
+pub use sha3::*;
diff --git a/src/lib.rs b/src/lib.rs
index a061a72cd..4827860c6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -48,6 +48,8 @@ extern crate secp256k1;
 extern crate arrayvec;
 extern crate elastic_array;
 
+pub mod standard;
+pub mod common;
 pub mod error;
 pub mod hash;
 pub mod uint;
@@ -67,6 +69,20 @@ pub mod nibbleslice;
 pub mod heapsizeof;
 pub mod squeeze;
 pub mod semantic_version;
-
 pub mod network;
 
+pub use common::*;
+pub use rlp::*;
+pub use hashdb::*;
+pub use memorydb::*;
+pub use overlaydb::*;
+pub use math::*;
+pub use chainfilter::*;
+pub use crypto::*;
+pub use triehash::*;
+pub use trie::*;
+pub use nibbleslice::*;
+pub use heapsizeof::*;
+pub use squeeze::*;
+pub use semantic_version::*;
+pub use network::*;
diff --git a/src/rlp/mod.rs b/src/rlp/mod.rs
index 8aa816c04..39cc3a7e7 100644
--- a/src/rlp/mod.rs
+++ b/src/rlp/mod.rs
@@ -32,7 +32,7 @@
 
 pub mod rlptraits;
 pub mod rlperrors;
-pub mod rlp;
+pub mod rlpin;
 pub mod untrusted_rlp;
 pub mod rlpstream;
 
@@ -42,7 +42,7 @@ mod tests;
 pub use self::rlperrors::DecoderError;
 pub use self::rlptraits::{Decoder, Decodable, View, Stream, Encodable, Encoder};
 pub use self::untrusted_rlp::{UntrustedRlp, UntrustedRlpIterator, PayloadInfo, Prototype};
-pub use self::rlp::{Rlp, RlpIterator};
+pub use self::rlpin::{Rlp, RlpIterator};
 pub use self::rlpstream::{RlpStream};
 use super::hash::H256;
 
diff --git a/src/rlp/rlp.rs b/src/rlp/rlpin.rs
similarity index 100%
rename from src/rlp/rlp.rs
rename to src/rlp/rlpin.rs
diff --git a/src/standard.rs b/src/standard.rs
new file mode 100644
index 000000000..b591220f3
--- /dev/null
+++ b/src/standard.rs
@@ -0,0 +1,21 @@
+pub use std::io;
+pub use std::str;
+pub use std::fmt;
+pub use std::slice;
+
+pub use std::path::Path;
+pub use std::str::{FromStr};
+pub use std::io::{Read,Write};
+pub use std::hash::{Hash, Hasher};
+pub use std::error::Error as StdError;
+
+pub use std::ops::*;
+pub use std::cmp::*;
+pub use std::cell::*;
+pub use std::collections::*;
+
+pub use rustc_serialize::json::Json;
+pub use rustc_serialize::base64::FromBase64;
+pub use rustc_serialize::hex::FromHex;
+
+pub use heapsize::HeapSizeOf;