crazy attempt to detect 32/64 bit on Windows and thus use the right
sed pattern for extracting the symbols during DEFs generation
Updata INSTALL for Windows
Merge pull request #8 from chxy/patch-1

Update Windows build instructions (thanks to Xiaoyue)
Fixed minor typos in INSTALL
Merge pull request #9 from kaisernahid/master

Fixed minor typos in INSTALL
#10 - Added event loop synchronization between R and Qt for Windows platform
Moved all the code for windows under #ifdef WIN32 in order to fix linux build