Merge pull request #69 from BANKEX/develop

add marshalling and unmarshalling signature as a part of Web3.Utils

Author: shamatar

Example/web3swiftExample/Podfile.lock

@@ -1,5 +1,5 @@
 PODS:
-  - Alamofire (4.7.1)
+  - Alamofire (4.7.2)
   - Alamofire-Synchronous (4.0.0):
     - Alamofire (~> 4.0)
   - BigInt (3.0.1):
@@ -9,7 +9,7 @@ PODS:
   - Result (3.0.0)
   - secp256k1_ios (0.1.3)
   - SipHash (1.2.0)
-  - web3swift (0.5.1):
+  - web3swift (0.5.5):
     - Alamofire (~> 4.7)
     - Alamofire-Synchronous (~> 4.0)
     - BigInt (~> 3.0.1)
@@ -38,19 +38,19 @@ EXTERNAL SOURCES:
 
 CHECKOUT OPTIONS:
   web3swift:
-    :commit: 229974c230086a54485a7fe136fbbb9b4fa89824
+    :commit: 0314336d8c0ba9c9b0b0303d3f1cf73d149fcda1
     :git: https://github.com/bankex/web3swift.git
 
 SPEC CHECKSUMS:
-  Alamofire: 68d7d521118d49c615a8d2214d87cdf525599d30
+  Alamofire: e4fa87002c137ba2d8d634d2c51fabcda0d5c223
   Alamofire-Synchronous: eedf1e6e961c3795a63c74990b3f7d9fbfac7e50
   BigInt: 8e8a52161c745cd3ab78e3dc346a9fbee51e6cf6
   CryptoSwift: bca8c5b653dcc2d9734409242a070ff53bafac86
   libsodium: 9a8faa5ef2fa0d2d57bd7f7d79bf8fb7c1a9f0ea
   Result: 1b3e431f37cbcd3ad89c6aa9ab0ae55515fae3b6
   secp256k1_ios: ac9ef04e761f43c58012b28548afa91493761f17
   SipHash: c6e9e43e9c531b5bc6602545130c26194a6d31ce
-  web3swift: 3ca23513ffc6536fbe9d1437f62861159b14b887
+  web3swift: c495b050198367cc00393d974e6a756ac3c9b7c1
 
 PODFILE CHECKSUM: bdafe2b945771533e7dcc16ffe5f73ddd0d37406