Added printing to spongebobsay functions

[jayqi]

Changes:

• spongebobsay family of functions will now print output by default using cat, unless new print argument is set to FALSE.
• spongebobsay family of functions now return output invisibly.

[codecov[bot]]

Codecov Report

Merging #16 into master will not change coverage. The diff coverage is 100%.

@@          Coverage Diff          @@
##           master    #16   +/-   ##
=====================================
  Coverage     100%   100%           
=====================================
  Files           2      2           
  Lines          59     70   +11     
=====================================
+ Hits           59     70   +11

Impacted Files	Coverage Δ
R/tospongebob.R	100% <ø> (ø)	:arrow_up:
R/spongebobsay.R	100% <100%> (ø)	:arrow_up:

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