emerald-cli 0.23.0

Console utility for secure account management
### How to show all available accounts

```
$ emerald --chain=morden account list
```

### How to exclude some accounts from the showing list

```
$ emerald --chain=morden account hide  0x0e7c045110b8dbf29765047380898919c5cb56f4
```

To undo in the future:

```
$ emerald --chain=morden account unhide --all
```

### How to create new account

```
$ emerald --chain=morden account new \
    --security-level=high \
    --name="Test account" \
    --description="Some description" \
    < echo "secret passphrase"
```

### How to show private key

```
$ emerald --chain=morden account strip 0x0e7c045110b8dbf29765047380898919c5cb56f4 < echo "secret passphrase"
```

### How to change `passphrase`

```
$ emerald --chain=morden account strip 0x0e7c045110b8dbf29765047380898919c5cb56f4 < echo "old passphrase" \
$ emerald --chain=morden account new --raw < echo "new passphrase"
```

### How to change account name

```
$ emerald --chain=morden account update \
    0x0e7c045110b8dbf29765047380898919c5cb56f4 \
    --name="New name" \
    --description="A new description"
```

### How to export & import all accounts

Import content of whole folder:
```
$ emerald --chain=morden account import --all <path_to_files>
```
or single keyfile:
```
$ emerald --chain=morden account import <path_to_file>
```
If keyfile already exist in a storage, import will be ignore.

To override existing Keyfile, use `-f | --force` option:
```
$ emerald --chain=morden account import --force <path_to_file>
```


Export all keyfiles into directory:
```
$ emerald --chain=morden account export --all <path_to_export_dir>
```
or single keyfile for selected <address>:
```
$ emerald --chain=morden account export <address> <path_to_export_dir>
```