diff --git a/.travis.yml b/.travis.yml
index b2859589b..b61486ed7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,8 +4,6 @@ language: rust
 branches:
   only:
   - master
-  - /^beta-.*$/
-  - /^stable-.*$/
   - /^beta$/
   - /^stable$/
 matrix:
diff --git a/Cargo.lock b/Cargo.lock
index c451a6477..1fa63e621 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,10 +19,10 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.4.1"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -64,7 +64,7 @@ name = "clippy"
 version = "0.0.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex-syntax 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "semver 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-normalization 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -113,7 +113,7 @@ name = "docopt"
 version = "0.6.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex 0.1.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -137,7 +137,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.1.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -146,11 +146,11 @@ version = "0.5.4"
 source = "git+https://github.com/arkpar/rust-secp256k1.git#321e6c22a83606d1875f89cb61c9cb37c7d249ae"
 dependencies = [
  "arrayvec 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "gcc 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -193,7 +193,7 @@ dependencies = [
  "jsonrpc-core 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-http-server 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -220,7 +220,7 @@ dependencies = [
  "rocksdb 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rust-crypto 0.2.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha3 0.1.0",
  "slab 0.1.4 (git+https://github.com/arkpar/slab.git)",
  "target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -250,7 +250,7 @@ dependencies = [
 
 [[package]]
 name = "gcc"
-version = "0.3.23"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -326,7 +326,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hyper 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 0.1.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "xml-rs 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "xmltree 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -349,7 +349,7 @@ name = "jsonrpc-core"
 version = "1.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_macros 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -425,7 +425,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "0.1.7"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -437,7 +437,7 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -556,17 +556,18 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "0.1.48"
+version = "0.1.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -582,7 +583,7 @@ name = "rust-crypto"
 version = "0.2.34"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "gcc 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.18 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -617,7 +618,7 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "0.6.12"
+version = "0.6.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -639,7 +640,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "num 0.1.30 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -654,7 +655,7 @@ dependencies = [
 name = "sha3"
 version = "0.1.0"
 dependencies = [
- "gcc 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "gcc 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -754,6 +755,11 @@ dependencies = [
  "uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "utf8-ranges"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "uuid"
 version = "0.1.18"