Add clear command to Common Cents

[jordanyoong]

No description provided.

[codecov-io]

Codecov Report

Merging #122 into master will decrease coverage by 1.50%.
The diff coverage is 0.00%.

@@             Coverage Diff              @@
##             master     #122      +/-   ##
============================================
- Coverage     64.52%   63.01%   -1.51%     
+ Complexity      409      408       -1     
============================================
  Files            80       82       +2     
  Lines          1446     1479      +33     
  Branches        141      144       +3     
============================================
- Hits            933      932       -1     
- Misses          447      481      +34     
  Partials         66       66              

Impacted Files	Coverage Δ	Complexity Δ
...ava/seedu/address/logic/commands/ClearCommand.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
...seedu/address/logic/parser/ClearCommandParser.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)
.../seedu/address/logic/parser/CommonCentsParser.java	75.00% <0.00%> (-5.00%)	8.00 <0.00> (ø)
...main/java/seedu/address/model/account/Account.java	83.05% <0.00%> (-6.05%)	28.00 <0.00> (ø)
...ava/seedu/address/model/account/ActiveAccount.java	0.00% <ø> (ø)	0.00 <0.00> (ø)
...du/address/model/account/ActiveAccountManager.java	75.51% <0.00%> (-6.72%)	18.00 <0.00> (ø)
...seedu/address/model/account/entry/ExpenseList.java	78.12% <0.00%> (-5.21%)	11.00 <0.00> (ø)
...seedu/address/model/account/entry/RevenueList.java	75.00% <0.00%> (-5.00%)	10.00 <0.00> (ø)
...eedu/address/logic/parser/DeleteCommandParser.java	90.00% <0.00%> (-0.91%)	3.00% <0.00%> (-1.00%)
...a/seedu/address/logic/parser/AddCommandParser.java	92.85% <0.00%> (-0.48%)	4.00% <0.00%> (-1.00%)
... 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 d0741a3...09dc009. Read the comment docs.

[lettuceman4]

do you wna have a method to clear all the entries (without having to clarify which category)? Just a suggestion hehe