Add utils.OverrideParameters class

[prjemian]

Fix #533

[lgtm-com]

This pull request introduces 1 alert when merging a294608 into 608f95c - view on LGTM.com

new alerts:

• 1 for 'import *' may pollute namespace

[lgtm-com]

This pull request introduces 1 alert when merging 39bbdf5 into 608f95c - view on LGTM.com

new alerts:

• 1 for 'import *' may pollute namespace

[lgtm-com]

This pull request introduces 1 alert when merging 9f65705 into 40180d1 - view on LGTM.com

new alerts:

• 1 for 'import *' may pollute namespace

[lgtm-com]

This pull request introduces 3 alerts and fixes 1 when merging ad1bdcf into 40180d1 - view on LGTM.com

new alerts:

• 3 for Unused import

fixed alerts:

• 1 for 'import *' may pollute namespace

[prjemian]

@gfabbris Recognizing that are involved with experiments, I'm inclined to merge this PR if it passes tests this AM. (It begins a reorganization of utils into a new _utils sub-module that can improve maintenance of this package).

[lgtm-com]

This pull request introduces 3 alerts and fixes 1 when merging 24436a4 into 806c014 - view on LGTM.com

new alerts:

• 3 for Unused import

fixed alerts:

• 1 for 'import *' may pollute namespace