switch to using modular headers

Podfile

@@ -2,16 +2,16 @@ def import_pods
   pod 'Alamofire', '~> 4.7'
   pod 'Alamofire-Synchronous', '~> 4.0'
   pod 'BigInt', '~> 3.0.1'
-  pod 'CryptoSwift'
+  pod 'CryptoSwift', '~> 0.10.0'
   pod 'Result', '~> 3.0.0'
   pod 'libsodium', :modular_headers => true
   pod 'secp256k1_ios', :git => 'https://github.com/shamatar/secp256k1_ios.git', :modular_headers => true
 end
 
 target 'web3swift-macOS' do
   platform :osx, '10.13'
-  use_frameworks!
-#  use_modular_headers!
+#  use_frameworks!
+  use_modular_headers!
   import_pods
 
   target 'web3swift-macOS_Tests' do
@@ -21,8 +21,8 @@ end
 
 target 'web3swift-iOS' do
   platform :ios, '9.0'
-  use_frameworks!
-#  use_modular_headers! 
+#  use_frameworks!
+  use_modular_headers! 
   import_pods
 
   target 'web3swift-iOS_Tests' do

Podfile.lock

@@ -4,7 +4,7 @@ PODS:
     - Alamofire (~> 4.0)
   - BigInt (3.0.1):
     - SipHash (~> 1.2)
-  - CryptoSwift (0.9.0)
+  - CryptoSwift (0.10.0)
   - libsodium (1.0.12)
   - Result (3.0.0)
   - secp256k1_ios (0.1.3)
@@ -14,7 +14,7 @@ DEPENDENCIES:
   - Alamofire (~> 4.7)
   - Alamofire-Synchronous (~> 4.0)
   - BigInt (~> 3.0.1)
-  - CryptoSwift
+  - CryptoSwift (~> 0.10.0)
   - libsodium
   - Result (~> 3.0.0)
   - secp256k1_ios (from `https://github.com/shamatar/secp256k1_ios.git`)
@@ -42,12 +42,12 @@ SPEC CHECKSUMS:
   Alamofire: e4fa87002c137ba2d8d634d2c51fabcda0d5c223
   Alamofire-Synchronous: eedf1e6e961c3795a63c74990b3f7d9fbfac7e50
   BigInt: 8e8a52161c745cd3ab78e3dc346a9fbee51e6cf6
-  CryptoSwift: bca8c5b653dcc2d9734409242a070ff53bafac86
+  CryptoSwift: 6c778d69282bed3b4e975ff97a79d074f20bb011
   libsodium: 9a8faa5ef2fa0d2d57bd7f7d79bf8fb7c1a9f0ea
   Result: 1b3e431f37cbcd3ad89c6aa9ab0ae55515fae3b6
   secp256k1_ios: ac9ef04e761f43c58012b28548afa91493761f17
   SipHash: b26918dbe6925368d4322374371437c62c9038e2
 
-PODFILE CHECKSUM: e13ad9f4ec7273a5a0d11848b959afdd2efcf396
+PODFILE CHECKSUM: 2c461e9c1483a288888d90dbec2cc53282615fad
 
-COCOAPODS: 1.5.2
+COCOAPODS: 1.5.3