Changes between MPIR 2.4.0 and MPIR 2.3.1

Bug Fixes:

 * The define __GMP_CC in mpir.h and gmp.h can miss out the the option
   -std=gnu99 
 * Old versions of GAS can fail to assemble the mpn/x86_64/core2/popcount.asm
 * Make install will fail to install the file gmpxx.h (only needed with the
   configure options --enable-cxx --enable-gmpcompat) when built out of the
   source tree.
 * Add an alias used by MPFR (snprintf -> _snprintf)
 * Correct incorrect parameter type for mpz_cdiv_q_2exp
 * Corrected CRLF endings in some C files
 * Corrected bitcnt_t functions error return on Win64 

Speedups:

 * Sandybridge and Bobcat have been tuned
 * Updated to the latest compiler flags
 * Bulldozer cpu detection

Features:

 * Upgrade internal components yasm and autotools
 * General cleanups of sourcebase
 * Initial support for intmax functions
 * Initial support for MSVC command line build for VS2005 and up
 * Support for MSBUILD of VS2010
 * Much more extensive and automated testing system

Changes:

 * Remove explicit support for arc s390 pa32 pa64

Changes between MPIR 2.3.1 and MPIR 2.3.0

Bug Fixes:

 * noexecstack enabled for linux only
 * FAT builds failed on unknown processors
 * Compilers without GAS inline assembler on Unix like systems had a 
   bug on AMD chips
 
Changes between MPIR 2.3.0 and MPIR 2.2.1

Bug Fixes:

 * noexecstack enabled for x86 properly
 
Speedups:

 * Detect a few more cpu's correctly
 * New assembler code for x64

Features:

 * MinGW64 port with full assembler support

Changes:

 * MSVC VS2008 port removed

Changes between MPIR 2.2.1 and MPIR 2.2.0

Bug Fixes:

 * Added a missing windows export declaration
 
Speedups:

 * Detect a few more cpu's correctly

Features:

 * Exported the function mpn_redc_1

Changes:

 * Renamed the function mpn_redc_basecase to mpn_redc_1 and re-ordered the 
   parameters


Changes between MPIR 2.1.1 and MPIR 2.2.0

Bug Fixes:

 * A bug in mpn_divexact which caused a seg-fault has been corrected
 * An original GMP bug in mpf_get_d_2exp for negative numbers has been 
   corrected
 * A parallel make install race condition has been fixed
 
Speedups:

 * Detect a few more cpu's correctly

Features:

 * Upgrade internal components yasm,autotools,gnulib
 * Removed the prebuild steps
 * General cleanup of the source base
 * Windows DLL builds can now be tested
 * make check can now run the tests in parallel
 * Initial support for running under MinGW64
 * Enable noexecstack for x86/x86_64 with GCC

Changes:

 * Removed explicit support for ancient cpus's namely a29k clipper i960*
   m88* ns32k pyr* z8000* gmicro i860 romp uxp POWER1 POWER2 cray vax
 * Removed explicit support for ancient OS'es namely pw32 djgpp os2 unicos
   osf tru64
 * Removed the demo's from the library
 * Renamed the internal function mpn_divexact_bybM1of to mpn_divexact_fobm1
 * Windows build directory changes