Add time to query-retrieve

[Ed McDonagh]

Further reduces number of responses which might improve reliability in high volume PACS.

[Ed McDonagh]

Initial implementation of QR time range. Changed name of single_date for consistency. Ref #554

→ <<cset fb73ff715f36>>

[Ed McDonagh]

StudyTime was being reset in the query. Now corrected and provisionally working from the command line. Ref #554

→ <<cset 902f5a2de07a>>

[Ed McDonagh]

Throwing disastrous attempt to convert QR crispy form to AJAX into a new branch. Intention was to add form validation (currently ignored) to have date range or time range. Ref #554

→ <<cset a2b0bcd3d39c>>

[Ed McDonagh]

Clarifying single date field and only adding time if single_date Refs #554

→ <<cset 5f0ea4297427>>

[Ed McDonagh]

Adding use of time arguments to docs. Refs #554 [skip ci] docs only

→ <<cset 6babc7fba611>>

[Ed McDonagh]

Minor correction; formatting . Refs #554 [skip ci] docs only

→ <<cset 7fd4ce15f911>>

[Ed McDonagh]

Time docs formatting. Refs #554 [skip ci] docs only

→ <<cset 920fb09e9acd>>

[Ed McDonagh]

Command line use added with this issue in 0.9.0. Will address web interface use in issue ref #718

[Ed McDonagh]

Adding ref #554 to changes. [skip ci] docs only

→ <<cset 9ae1d3f35c8d>>

[Ed McDonagh]

Addresses additional with pointed out by @LuukO in PR #273. Refs #554

→ <<cset 02f7816143eb>>

[Ed McDonagh]

Merged in issue554QRtime (pull request #273)

Fixes #554 QR with time and fixes #713 start date only in make_dcm_date_range wrong

→ <<cset 4efd50e87920>>

[Ed McDonagh]

Issue #481 was marked as a duplicate of this issue.