clean up clone example a bit
clean up oid.jl, mostly formatting changes
use api function for oid comparison
use id as parameter name as oid is a valid function
refactor tree.jl a bit
better walk order error message
refactor a bit more, adopting short circuting control flow convention
tweak runtests.jl
rename pointers to prevent name clash with arg
refactor blob, rawcontent now returns an array of bytes
tweak diff example
refactor git commit parent method
refactor object.jl methods to one liners, overload base == due to hashing changes in Base
refactor remote.jl
move git_otype to types.jl
repository should implement getindex
update tests to reflect changes in GitBlob api
update tests to use GitRepo's overloaded getindex method