fix logger (#48)

* fix logger extension access
* bump version

Author: stas-litvinov

FearlessUtils.podspec

@@ -8,7 +8,7 @@
 
 Pod::Spec.new do |s|
   s.name             = 'FearlessUtils'
-  s.version          = '0.13.0'
+  s.version          = '0.13.1'
   s.summary          = 'Utility library that implements clients specific logic to interact with substrate based networks'
 
   s.homepage         = 'https://github.com/soramitsu/fearless-utils-iOS'

FearlessUtils/Classes/Common/Logger.swift

@@ -8,7 +8,7 @@ public protocol SDKLoggerProtocol {
     func error(message: String, file: String, function: String, line: Int)
 }
 
-public extension SDKLoggerProtocol {
+extension SDKLoggerProtocol {
     func verbose(_ message: String, file: String = #file, function: String = #function, line: Int = #line) {
         verbose(message: message, file: file, function: function, line: line)
     }