refactored toLower
Addressed some warnings (mostly MSVC)
Added vector resize test
Fixed line wrap bug
Added line wrap tests and modified wrap algo to wrap within words using a -
Wrap expr results if they contain newlines
Line numbers changed and test added
Build 28
Merge commit '6ba2057abd69beb47f74625b3cc28fb77a32c9af' into merge-up-int
Merge commit '2e3c5fa2ade56f7468d02a1ad2d083b15dde4d65' into merge-up-int

Conflicts:
	include/internal/catch_evaluate.hpp
Merge commit '29426b6359af60d6a49d7d444fbfabdf401ffe14' into merge-up-int

Conflicts:
	projects/SelfTest/MiscTests.cpp
Merge commit '2927c240a13326a978667f9ff5c87ec461089bdc' into merge-up-int

Conflicts:
	include/internal/catch_line_wrap.hpp
	projects/SelfTest/TestMain.cpp
Merge commit 'c563f6b1be28f9aa88aa34a0467f5c3cb4421352' into merge-up-int
Merge commit '016b063ae83b3c301cc9f0556a0933cc1252a7c0' into merge-up-int
Build 28

Merge commit 'dd26e889b528a8275e4a2395f896dec211103ea6' into merge-up-int

Conflicts:
	README.md
	single_include/catch.hpp