InboxCommand bugs fixed. Fully functional.

[ongweekeong]

'showunread' can be used multiple times in a single session now.

[codecov-io]

Codecov Report

Merging #142 into master will increase coverage by 0.06%.
The diff coverage is 1.44%.

@@             Coverage Diff              @@
##             master     #142      +/-   ##
============================================
+ Coverage     35.48%   35.55%   +0.06%     
  Complexity      233      233              
============================================
  Files            62       63       +1     
  Lines          1657     1654       -3     
  Branches        183      182       -1     
============================================
  Hits            588      588              
+ Misses         1028     1025       -3     
  Partials         41       41

Impacted Files	Coverage Δ	Complexity Δ
src/seedu/addressbook/Location.java	0% <ø> (ø)	0 <0> (ø)	⬇️
src/seedu/addressbook/commands/HelpCommand.java	100% <ø> (ø)	3 <0> (ø)	⬇️
src/seedu/addressbook/inbox/ReadNotification.java	0% <0%> (ø)	0 <0> (ø)	⬇️
src/seedu/addressbook/inbox/Msg.java	9.33% <0%> (ø)	0 <0> (ø)	⬇️
src/seedu/addressbook/inbox/WriteNotification.java	8.47% <0%> (-3.16%)	1 <0> (ø)
src/seedu/addressbook/inbox/MessageFilePaths.java	0% <0%> (ø)	0 <0> (?)
src/seedu/addressbook/timeanddate/TimeAndDate.java	0% <0%> (ø)	0 <0> (ø)	⬇️
src/seedu/addressbook/ui/MainWindow.java	0% <0%> (ø)	0 <0> (ø)	⬇️
src/seedu/addressbook/commands/InboxCommand.java	0% <0%> (ø)	0 <0> (ø)	⬇️
src/seedu/addressbook/inbox/Inbox.java	0% <0%> (ø)	0 <0> (ø)	⬇️
... and 4 more

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 13fb183...ac9941f. Read the comment docs.

[iamputradanish]

Good feature implementation. Do update test cases for the feature.