Fails to load XML in folder containing single quote (apostrophe U+0027)

[AirQuick]

Similar to #119

D:\xspec\test>md "some'path"

D:\xspec\test>copy do-nothing.xsl "some'path"
        1 file(s) copied.

D:\xspec\test>copy xspec-node-selection.* "some'path"
xspec-node-selection.xml
xspec-node-selection.xsl
xspec-node-selection.xspec
        3 file(s) copied.

D:\xspec\test>..\bin\xspec.bat "some'path\xspec-node-selection.xspec"
Saxon script not found, invoking JVM directly instead.

Creating XSpec Directory at D:\xspec\test\some'path\xspec...

Creating Test Stylesheet...

Running Tests...
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 28 column 117 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 46 column 117 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 180 column 126 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 534 column 126 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 592 column 126 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 614 column 120 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Syntax error near {...ec/xspec/trunk/test/some'pa...} at char 57 in expression in xsl:variable/@select on line 712 column 123 of xspec-node-selection.xsl:
  XPST0003: expected ")", found name "path"
Errors were reported during stylesheet compilation

*** Error running the test suite