bump to 0.7.4

README.md

 
 | Version | |
 |---|---|
+| 0.7.4 | Fix app crash problem in version > 0.27 |
 | 0.7.3 | Fix OkHttp dependency issue in version < 0.29 |
 | 0.7.2 | Fix cancel request bug |
 | 0.7.1 | Fix #57 ios module could not compile on ios version <= 9.3 |

package.json

 {
   "name": "fetchblob",
-  "version": "0.7.3",
+  "version": "0.7.4",
   "private": true,
   "scripts": {
     "start": "node node_modules/react-native/local-cli/cli.js start",

src/README.md

 
 | Version | |
 |---|---|
+| 0.7.4 | Fix app crash problem in version > 0.27 |
 | 0.7.3 | Fix OkHttp dependency issue in version < 0.29 |
 | 0.7.2 | Fix cancel request bug |
 | 0.7.1 | Fix #57 ios module could not compile on ios version <= 9.3 |

src/package.json

 {
   "name": "react-native-fetch-blob",
-  "version": "0.7.3",
+  "version": "0.7.4",
   "description": "A module provides upload, download, and files access API. Supports file stream read/write for process large files.",
   "main": "index.js",
   "scripts": {