Update ReadMe.txt

ReadMe.txt

-Current Version of NADS-Boost is built using boost 1.67, built Jun 13. Just the dynamic (dll) versions of 32 + 64 bit 
-using VS-2017 are provided in the lib and bin. Use the preprocessor define BOOST_ALL_DYN_LINK to tell boost to set
-its auto-link to use the dll version, it will default to the static version of the libraries.
- 
-
-The following command line were used to build the libraries:
- 
-<boost-dir>\b2 --toolset=msvc-14.1 variant=release link=shared threading=multi architecture=x86 address-model=64
-
-<boost-dir>\b2 --toolset=msvc-14.1 variant=release link=shared threading=multi architecture=x86 address-model=32
-
-<boost-dir>\b2 --toolset=msvc-14.1 variant=debug link=shared threading=multi architecture=x86 address-model=64
-
-<boost-dir>\b2 --toolset=msvc-14.1 variant=debug link=shared threading=multi architecture=x86 address-model=32
-
+Current Version of NADS-Boost is built using boost 1.70, built Jun 13. Just the dynamic (dll) versions of 32 + 64 bit 
+using VS-2017 are provided in the lib and bin. Use the preprocessor define BOOST_ALL_DYN_LINK to tell boost to set
+its auto-link to use the dll version, it will default to the static version of the libraries.
+ 
+
+The following command line were used to build the libraries:
+ 
+<boost-dir>\b2 --toolset=msvc-14.1 variant=release link=shared threading=multi architecture=x86 address-model=64
+
+<boost-dir>\b2 --toolset=msvc-14.1 variant=release link=shared threading=multi architecture=x86 address-model=32
+
+<boost-dir>\b2 --toolset=msvc-14.1 variant=debug link=shared threading=multi architecture=x86 address-model=64
+
+<boost-dir>\b2 --toolset=msvc-14.1 variant=debug link=shared threading=multi architecture=x86 address-model=32
+
 Note boost does now change the names of the output libraries for 32 bit and 64 bit.
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