Update doctsrings and minor changes

Author: Tanguy Pierre Louis Damart

.gitignore

@@ -11,3 +11,4 @@ x86_64
 /cov_reports
 .coverage
 coverage.xml
+.idea/

.idea/.gitignore

@@ -1,4 +1,4 @@
-# Copyright (c) 2016-2020, EPFL/Blue Brain Project
+# Copyright (c) 2016-2022, EPFL/Blue Brain Project
 #
 # This file is part of BluePyOpt <https://github.com/BlueBrain/BluePyOpt>
 #

.idea/BluePyOpt.iml

@@ -6,7 +6,7 @@ Examples and test are BSD-licensed.
 External dependencies are either LGPL or BSD-licensed. 
 See file ACKNOWLEDGEMENTS.txt and AUTHORS.txt for further details.
 
-Copyright (c) Blue Brain Project/EPFL 2016-2021.
+Copyright (c) Blue Brain Project/EPFL 2016-2022.
 
 This program is free software: you can redistribute it and/or modify it under 
 the terms of the GNU Lesser General Public License as published by the 

.idea/inspectionProfiles/profiles_settings.xml

@@ -198,7 +198,7 @@ Funding
 This work has been partially funded by the European Union Seventh Framework Program (FP7/2007­2013) under grant agreement no. 604102 (HBP), the European Union’s Horizon 2020 Framework Programme for Research and Innovation under the Specific Grant Agreement No. 720270, 785907 (Human Brain Project SGA1/SGA2) and by the EBRAINS research infrastructure, funded from the European Union’s Horizon 2020 Framework Programme for Research and Innovation under the Specific Grant Agreement No. 945539 (Human Brain Project SGA3).
 This project/research was supported by funding to the Blue Brain Project, a research center of the École polytechnique fédérale de Lausanne (EPFL), from the Swiss government’s ETH Board of the Swiss Federal Institutes of Technology.
 
-Copyright (c) 2016-2021 Blue Brain Project/EPFL 
+Copyright (c) 2016-2022 Blue Brain Project/EPFL
 
 ..
     The following image is also defined in the index.rst file, as the relative path is