Merge pull request #392 from cherab/development

Release 1.4.0

Merge pull request #346 from cherab/development

Release 1.3.0

Merge pull request #184 from cherab/development

Release v1.2.0

Merge pull request #135 from cherab/feature/ionisation_balance

Feature/ionisation balance

Merge pull request #135 from cherab/feature/ionisation_balance

Feature/ionisation balance

Merge pull request #78 from cherab/development

Release v1.1.0

Removed use-cython.

Merge branch 'development' of https://github.com/cherab/core into dev…

…elopment

Minor updates to print statements in example inversions.