add function does not accept tue

[nus-pe-script]

Describe the bug
Not able to add using tue

To Reproduce
Steps to reproduce the behavior:

1. add n/CS2113T Tutorial d/tue st/08:00 et/09:00 des/Topic: Sequence Diagram t/CS2113T t/Tutorial r/normal
2. invalid command format

Expected behavior
1 slots added

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Reported by: @nicholasleeeee
Severity: High

_{[original: nusCS2113-AY1819S2/pe-dry-run#25]}

[seanieyap]

Hi,

Thank you for your feedback. Actually this is not a bug, the shorten form of "tuesday" is resisted as "tues" but that seems to give confusion since the shortened phrases differ so much from each other. E.g. "thursday" is shortened to "thurs". Hence, we will take your suggestion seriously and standardize these shortened variants into three letters, as such "tue" will now be accepted. This change will be coming very shortly !

[seanieyap]

This suggestion has been incorporated into the application, now all "days" have the same standard 3 letter short forms, "mon", "tue", "wed", "thu", "fri".