[doc] #158: add CHANGELOG.md till 0.6.1

CHANGELOG.md

+## v0.6.1 (10 December 2018)
+
+- !90, #151: Fix intermediaries transactions sent to wrong recipient
+- !91, #145: Allow to renew certifications
+- #155: Remove clear calls which are not availabre on non-Unix
+
+## v0.6.0 (18 November 2018)
+
+### [Milestone v0.6.0](https://git.duniter.org/clients/python/silkaj/milestones/7)
+
+#### Installation
+- #86: Move from `pyenv+pip` to Pipenv as the new development environment solution
+- #100, !80: New installation method with `pip` now set as default
+- #100: Documentation on how to publish on Pypi
+
+#### Authentication
+- #78: Use Scrypt as default authentication method
+- #102: Display a confirmation message after using `generate_auth_file` command
+- #103: More explicit usage about the authentication file mechanism storage
+
+#### Certification
+- #96, !82: Certification fails for non-members identities
+- Prevent certifying ourself
+- Code refactoring: simplification, duplicate code removal
+
+#### Wot
+- Display certification stock
+- #73: Display identity status:
+  - Display membership expiration due to membership expiration and certifications expiration
+- #127: fix: display human readable date for 'revoked on' attribute
+
+#### Transaction
+- #83, !78: Allow multi-output transactions
+- #72: Check the pubkey’s balance is enough before processing the transaction
+- #72: Minors transaction refactoring
+- #101: Round UD value in the confirmation summary
+- #118: Use generic function to get sources
+- #120: Display pubkey’s balance before and after transaction in the confirmation summary
+- #125: Fix wrong amount transferred
+
+#### New commands
+- #91: `about`: displays information about silkaj
+- #95: `license`: displays Ğ1’s license
+
+#### Ğ1-test
+- #87: Add `--gtest` option to specify official Ğ1-test node
+- #109, !84: Improve gtest usage message
+- #112: Amount: fix authentication option with `--gtest` option
+
+#### Python 3.7
+- #98: Test with Python 3.7: silkaj is compatible with Python from version 3.4 to 3.7
+- #98: Set Python 3.7 for Pipenv
+
+#### Network performances
+- #42, !85: Thanks to singleton, requests are made once for `head_block`, blockchain parameters, endpoint, `ud_value`, and `currency_symbol` retrieval
+- #32: request the domain first instead of the IP (to handle https certificates) (this avoid `network` view to crash)
+- #32, !79: Add timeouts on GET and POST requests
+- #128, !88: Fix POST request timeout
+
+#### Black: code formatting
+- #94, !76: move from `pep8` to `black` code formatting. Set pre-commit hook and CI worker
+
+#### Bug fixes and refactoring
+- #121: Move cryptographic related functions into `crypto_tools.py`
+
+#### Logo
+- #92: Silkaj logo publication under GNU APGLv3 after a successful crowdfunding
+
+#### Wrappers
+- #107: Document silkaj wrappers usages
+
+### [Forum post](https://forum.duniter.org/t/silkaj-v0-6-0-release/4858)
+
+## v0.5.0 (22 May 2018)
+
+### [Milestone v0.5.0](https://git.duniter.org/clients/python/silkaj/milestones/2)
+
+#### Certification
+- #61: sending certification document:
+  - check that current identity is member
+  - check that the certification has not already been sent
+  - prompt Ğ1’s license and ask for acceptance in web browser or in pager (a `less`-like) if no web browser is available 
+
+#### Wot
+- #84: display certifications’ expiration date
+- #81: bugfix, nothing displayed when there is two identities with same id
+
+#### Amount
+- remove necessity to prepend with `--pubkey` option: `silkaj amount pubkey1:pubkey2:pubkey3`
+
+#### Issuers
+- display the hash’s ten first characters as Ğ1’s global difficulty has increased
+- display blocks in current window: `silkaj issuers 0`
+
+#### Build
+- #6: Automate releases using a script
+
+#### Other
+- display `Ğ1` and `ĞTest` currencies symbols
+- Aliases commands `id`: `identities`, `tx`: `transaction`, `net`: `network`
+- `import` rework to improve loading performances
+- Lots of code reorganization and cleaning
+
+### [Forum post](https://forum.duniter.org/t/silkaj-v0-5-0/4712)
+
+
+## v0.4.0 (28 January 2018)
+### [Milestone v0.4.0](https://git.duniter.org/clients/python/silkaj/milestones/5)
+
+#### New `wot` command which displays received and sent certification of an identity
+- !50, !66 
+
+#### Transaction
+- #41: Rework/refactoring of transaction code (part 1)
+- !55: Add check condition for sources
+- !57: Exit if wrong pubkey’s output formats
+
+#### Amount
+- #46, !68: Add ability to display the amount of many pubkey with same command
+- Total amount of pubkeys displayed at the end (nice to know how much units you own)
+
+#### Authentication
+- !56: Add [Ğannonce](https://gannonce.duniter.org/) (aka PubSec) file format import
+- #60: Hide salt at scrypt authentication
+
+#### Difficulties
+- !58: Reload/refresh in a loop PoW difficulty level
+- Display in same order as [Remuniter](http://remuniter.cgeek.fr/)
+
+#### Id
+- #49: Display if pubkey is member
+- #59: Bug fix with `id` command
+
+#### Build
+- Build published with sha256 checksum
+
+#### Other
+- Change default endpoint
+
+#### Thanks
+Thanks to @Tortue95, @jytou, @mmuman, and @cuckooland
+
+### [Forum post](https://forum.duniter.org/t/silkaj-0-4-0/4071)
+
+
+## v0.3.0 (17 April 2017)
+### [Milestone v0.3.0](https://git.duniter.org/clients/python/silkaj/milestones/5)
+
+#### Transactions
+- enhance transaction command:
+  - #27, #30: ask for confirmation
+  - !38: new confirmation chart containing transaction informations
+  - don’t prompt `scrypt` parameters. See `Auth` §
+
+#### New command `id` to search for pubkey/identity
+- !29: new command `id` to search identities with pubkey or id
+
+#### Tutorial to install a Python environment
+- #23, !40: Pyenv installation tutorial
+
+#### Authentication
+- !45: new authentication method: WIF. For future paper wallet feature
+- #39, #43: Don’t prompt scrypt parameters at authentication. Use default ones
+
+#### Builds
+- #5: with Pyinstaller
+
+#### Other
+- !33, !37: Ability to sort network view
+- Change license from GNU GPLv3 to GNU AGPLv3
+- !31: Code formatting with `pep8`
+
+Thanks to @Tortue95 and @jytou 
+
+### [Forum post](https://forum.duniter.org/t/lets-send-your-money-silkaj-v0-3-0/2404/1)
+
+## v0.2.0 (27 March 2017)
+### Features
+- [Transaction feature](https://github.com/duniter/silkaj/pull/21)
+- [Output information on the drop-down menu with Argos (GNOME Shell extension)](https://github.com/duniter/silkaj/pull/20)
+
+### [Milestone v0.2.0](https://git.duniter.org/clients/python/silkaj/milestones/4)
+
+### Announcement
+- [Diaspora* post](https://framasphere.org/posts/3055642)
+
+Big thanks to @Tortue95, and @mmuman.
+
+## v0.1.0 (23 September 2016)
+
+### Public release
+- [Duniter forum post](https://forum.duniter.org/t/silkaj-new-cli-duniter-client/1278)
+- [Diaspora* post](https://framasphere.org/posts/2226277)
+
+
+### [Milestone v0.1.0](https://git.duniter.org/clients/python/silkaj/milestones/1)
+
+
+### Features
+Sub-commands:
+- `info`
+- `difficulties`
+- `network`
+- `issuers`
+
+
+Thanks to @c-geek.