Cleaned up README docs and added Glob support

[rofinn]

Closes #44

[codecov]

Codecov Report

Merging #47 into master will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##            master       #47   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            3         4    +1     
  Lines           60        62    +2     
=========================================
+ Hits            60        62    +2     

Impacted Files	Coverage Δ
src/FilePaths.jl	100.00% <ø> (ø)
src/compat.jl	100.00% <ø> (ø)
src/glob.jl	100.00% <100.00%> (ø)

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