Adds basic Requests library

Requests/README.md

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+# Requests
+
+A human friendly API for sending a request. It's the Julia version of Python [Requests](http://docs.python-requests.org/en/latest/).
+
+## Usage
+
+```.jl
+# implicit GET
+response = request("http://httpbin.org")
+
+# a broken, but API example
+response = request(POST, "http://httpbin.org/post", ["EXTRA" => "HEADERS"], DATA)
+```

Requests/src/Requests.jl

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+# A human API for making HTTP Requests
+module Requests
+
+using Httplib
+
+# Export the working bits
+export GET,
+       request
+
+# Represent Headers the way a server would expect them (\r\n) and end with \r\n\r\n
+repr(h::Headers) = string(join(["$k: $v" for (k, v) in h], "\r\n"), "\r\n")
+add_header{T <: String}(h::Headers, key::T, value::T) = h[key] = value
+
+repr(r::Request) = string("$(r.method) / HTTP/1.1\r\n", "Host: $(r.resource)\r\n", repr(r.headers), "\r\n") 
+
+# Make an HTTP request and get the response.
+# 
+#     # An implicit GET request
+#     request("http://google.com")
+#     # FIXME
+#     request("http://duckduckgo.com", ["q" => "dogs"])
+#     # FIXME
+#     request(POST, "http://httpbin.org/post", ["data" => "some data"])
+#
+function request{T <: String}(method::HttpMethodBitmask, uri::T, data::Dict{T, T})
+    client = connect(TcpSocket(), uri, 80)[1]
+    req = Request(HttpMethodBitmaskToName[method], uri, default_headers(), "", Dict{T, T}())
+    merge!(req.headers, data)
+    write(client, repr(req))
+    readall(client)
+end
+request{T <: String}(uri::T, data::Dict{T, T}) = request(GET, uri, data)
+request{T <: String}(uri::T)                   = request(GET, uri, Dict{T, T}())
+
+default_user_agent() = "julia-requests/0.1 julia/$VERSION"
+# Set the default headers for a request
+function default_headers()
+    h = Headers()
+    add_header(h, "User-Agent", default_user_agent())
+    add_header(h, "Accept-Encoding", "gzip, deflate, compress")
+    add_header(h, "Accept", "*/*")
+    h
+end
+
+end # end module