Merge pull request #13 from robertfeldt/dylib_build

changed so it builds dylib instead of so shared lib file (needed on Mac)
add extension name, needed for mac
use ENV variable
disable READLINE, causing segfault
rtype should be Uint
remove the debug message
Merge pull request #16 from randy3k/master

bug fix for mac and current julia version
For using with Julia 0.3.0-rc1
Merge pull request #20 from diegozea/master

For using with Julia 0.3.0-rc1
Update embeddedr.jl
This solves the EnvHash problem by importing it into Rif.jl
Merge pull request #22 from diegozea/master

This solves the EnvHash problem by importing it into Rif.jl
Julia removed deprecated function. USe their replacements.
fixes for Julia 0.3.
The largest fix was to rename `ref` an `assign` to `getindex` and `setindex!`
respectively.

Conflicts:
	src/functions.jl
	src/vectors.jl
Require DataFrames
Fix issue #6
Fix in answer to changes in R's C-API (see rpy2 issue and resolution
https://bitbucket.org/lgautier/rpy2/issue/150/rpy2-crashes-upon-import-with-r-302
)
- Various fixes for environments
- Added a method "keys"
- Tentative type "RPackage"
- Function "rimport" (pretty much like "importr()" in rpy2, but following
  the naming in PyCall ("pyimport")
fixed call to as.environment()
Testing script (not much tests though)