add partial implementation of HttpRequest class
add HttpRequest test
library sources are now specified by pattern
HttpRequest class modified
HttpRequestTests.h fixed and corrected to fit modified class
added method returning non-const headers reference
doxygen comments for HttpRequest class added
remove redundant methods from HttpRequest class
foggoten comment removed
Merge pull request #4 from swat32exe/add-request-class

Add HttpRequest class with simple test.