Merge commit '75b7b916e3a7c04907dd09a119ccc836d5ed325c' into develop

* commit '75b7b916e3a7c04907dd09a119ccc836d5ed325c':
  Make 'removed' flag optional in EventLog
  Add publc initializer to EventFilter

Author: Alex Vlasov

web3swift/Contract/Classes/ContractProtocol.swift

@@ -66,6 +66,16 @@ public struct EventFilter {
             }
         }
     }
+    
+    public init(fromBlock: Block?, toBlock: Block?,
+                addresses: [EthereumAddress]? = nil,
+                parameterFilters: [[EventFilterable]?]? = nil) {
+        self.fromBlock = fromBlock
+        self.toBlock = toBlock
+        self.addresses = addresses
+        self.parameterFilters = parameterFilters
+    }
+    
     public var fromBlock: Block?
     public var toBlock: Block?
     public var addresses: [EthereumAddress]?

web3swift/Web3/Classes/Web3+Structures.swift

@@ -130,7 +130,7 @@ public struct EventLog {
         guard let ad = json["address"] as? String else {return nil}
         guard let d = json["data"] as? String else {return nil}
         guard let li = json["logIndex"] as? String else {return nil}
-        guard let rm = json["removed"] as? Int else {return nil}
+        let rm = json["removed"] as? Int ?? 0
         guard let tpc = json["topics"] as? [String] else {return nil}
         guard let addr = EthereumAddress(ad) else {return nil}
         address = addr