add unary and number broadcast; add all

[putianyi889]

also added methods for similar and a minor fix

[coveralls]

Pull Request Test Coverage Report for Build 4536645934

• 28 of 32 (87.5%) changed or added relevant lines in 4 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.1%) to 94.465%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/ToeplitzMatrices.jl	0	1	0.0%
src/hankel.jl	5	6	83.33%
src/special.jl	6	8	75.0%

Files with Coverage Reduction	New Missed Lines	%
src/hankel.jl	1	95.06%

Totals
Change from base Build 4484183626:	-0.1%
Covered Lines:	751
Relevant Lines:	795

---

💛 - Coveralls

[codecov]

Codecov Report

Attention: 7 lines in your changes are missing coverage. Please review.

Comparison is base (3d47002) 95.25% compared to head (4ed4ab0) 94.60%.
Report is 1 commits behind head on master.

Files	Patch %	Lines
src/special.jl	50.00%	4 Missing ⚠️
src/ToeplitzMatrices.jl	0.00%	2 Missing ⚠️
src/hankel.jl	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #83      +/-   ##
==========================================
- Coverage   95.25%   94.60%   -0.65%     
==========================================
  Files           9        9              
  Lines         948      964      +16     
==========================================
+ Hits          903      912       +9     
- Misses         45       52       +7     

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[putianyi889]

should make mapreduce instead of all