Added multi line description support, …

[siad007]

Added multi line description support, tests and dependency overview for -projecthelp

[codecov]

Codecov Report

Merging #1208 into master will increase coverage by 0.04%.
The diff coverage is 87.5%.

@@             Coverage Diff              @@
##             master    #1208      +/-   ##
============================================
+ Coverage     47.34%   47.39%   +0.04%     
- Complexity     9954     9964      +10     
============================================
  Files           506      506              
  Lines         24459    24485      +26     
============================================
+ Hits          11581    11604      +23     
- Misses        12878    12881       +3

Impacted Files	Coverage Δ	Complexity Δ
classes/phing/Target.php	92.47% <100%> (-0.16%)	44 <0> (-2)
classes/phing/RuntimeConfigurable.php	94.59% <100%> (+0.3%)	20 <1> (+1)	⬆️
classes/phing/Project.php	72.42% <100%> (+0.18%)	124 <0> (+1)	⬆️
classes/phing/Task.php	90.56% <100%> (+0.36%)	23 <1> (+1)	⬆️
classes/phing/Phing.php	36.3% <69.23%> (+0.27%)	235 <6> (+2)	⬆️
classes/phing/types/Description.php	95.23% <94.73%> (-4.77%)	9 <7> (+7)

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