BREAKING CHANGE: all API calls now require a context.Context as a f…

…irst

parameter, to allow for cancellation to propagate to long calls (or stalling
calls on nodes that are overloaded).

Just add a `ctx` that's hanging around, or use `context.Background()` when
you don't care.

README-cn.md

@@ -21,8 +21,8 @@ https://github.com/eoscanada/eos-bios
 ```go
 api := eos.New("http://testnet1.eos.io")
 
-infoResp, _ := api.GetInfo()
-accountResp, _ := api.GetAccount("initn")
+infoResp, _ := api.GetInfo(ctx)
+accountResp, _ := api.GetAccount(ctx, "initn")
 fmt.Println("Permission for initn:", accountResp.Permissions[0].RequiredAuth.Keys)
 ```
 

README.md

@@ -25,8 +25,8 @@ Basic usage
 ```go
 api := eos.New("http://testnet1.eos.io")
 
-infoResp, _ := api.GetInfo()
-accountResp, _ := api.GetAccount("initn")
+infoResp, _ := api.GetInfo(ctx)
+accountResp, _ := api.GetAccount(ctx, "initn")
 fmt.Println("Permission for initn:", accountResp.Permissions[0].RequiredAuth.Keys)
 ```