Updated changelog through v2.1.1

Switched on changelog and index ...

Also removed all “NJS” from changelogs.

Stripped out tabs

Fixed overfull hboxes in source (closes #43)

Fixed missing \end{macrocode}

Refactored marks printing (closes #32)

• Added more detail to automatically generated instructions for embargoed exams. ...

• Updated my email address.
• Bumped version to 2.4.1.

• Incorporated new 2016 calculator rules (closes #35). ...

• Refactored handling of “subject to inspection” lines to provide greater formatting flexibility.

• Added embargo document class option (closes #38).

• Changed a couple of “doesn't” to “does not” in error messages.

• Fixed missing default for /exam section/verify total (closes #39). ...

• Fixed documentation for first use of lastexpected.
• Moved setting of lastexpected in subsubquestion to the end, to be consistent with the structure of the other quetsion environments.

• Updated version number and release notes (closes #24).

• Updated checksum.

• Switched to pgfkeys instead of kvoptions. ...

• Moved xsection counter and made sectrunning reset when it increments.
• Added support for question mark subtotals via “show totals” PGF key (closes #15).
• Enhanced suppression of question marks via “hide totals” PGF style.
• Added ability to suppress verification of sub-question running totals via “don't verify total” PGF key, to cater for optional sub-questions that sum to something other than the expected total (closes #5).
• Made question environments more internally consistent.
• Updated code documentation accordingly.

• Enabled key-value options for examsection. ...

• Replaced examsection* with examsection[hidetitle].
• Changed key-value families to by-environment namespaces.
• Updated documentation accordingly.

• Added some initial not-working code for key-value options in sections and questions.

• Suppressed printing of (sub-…)question marks when the mark total is zero (closes #4). ...

• Updated documentation accordingly.

• Renamed examsection to @examsection. ...

• Created two wrapper environments for @examsection, examsection and examsection*.
• Added \if@unnumberedsect switch to control exam section mode.
• Made section title dependent on \if@unnumberedsect.
• Typeset section instructions in bold face.
• Updated documentation accordingly.

• Added “(TOTAL xx MARKS)” to the default section instructions.

• Changed how marks are positioned (closes #28).

• Merged in v2.3.2 bug fixes.

• Closes #28.

• Merged 2.3.1 changes into dev branch.

• Removed “Paper” from title box as per updated exam template. ...

• Updated obsolete filenames in Makefile.

Fixed checksum after merging questionskip branch.

Merge branch 'questionskip' into dev ...

Conflicts:
	ouexam.dtx

- Removed documentation for obsolete “lastpage” page style. ...

- Rephrased \ouexam@obsolete error text.
- Added obsolete macro for \newsection.

Added \questionskip length between question environments (closes #14).

Fixed checksum after merging several feature branches.

Merge branch 'unused-options' into dev ...

Conflicts:
	ouexam.dtx