Added convenience methods for string copying
Added newline to test case
Issue #10: Updates

Implementation now follows PHP's `explode()` implementation (minus support for negative limits, which imho is just absurd)
Added 'php_ustring_unistr_from_zval' macro.
...
fix length for info table
ws
add shortcut u
add test for shortcut
update for api changes
first big shot on fixing the master build
more fixes to configs
correct the libs/headers check conds
missing header
Merge https://github.com/krakjoe/ustring

Conflicts:
	api.h
	backend/api.h
	backend/icu.cpp
	ustring.cpp
remove unneeded TSRMS_CC
Fixed zpp (again)
zpp requires 'char **' and 'int *' for string (s) format
Don't use TSRMLS_CC for zend_copy_string()
Cleaned up the cast logic
Fixed ZTS build

Ref: issue #13