Implement char.IsLetter, char.IsLetterOrDigit, char.IsSurrogate for non-Unicode characters; fix char.IsWhiteSpace
Implement FieldInfo.GetValue
Solved some of the Int64 issues in issue 162
Truncate when converting xInt64 to lesser types.
Merge pull request #252 from markusjohnsson/issue_162_246

Solves Int64 problems mentioned in issues #162 and #246
Fix viewportScale query parameter
Apply preferred backbuffer width/height when creating the default canvas or getting it from the page.
Merge remote-tracking branch 'remotes/dlbd/field-getvalue'

Conflicts:
	Tests/Tests.csproj
Fix edge case where lazy default properties can return the wrong value on first access if the initializer is naughty and overwrites the default manually. (Fixes issue #234)
Stop generating 'x + y' for string addition since the semantics don't match C#. Fixes issue #239.
Fix JSIL.ConcatString's behavior for nulls.
Checkpoint some work on issue #243:
Assign closure variables better, scope-unique names.
Implement some more LINQ methods (SelectMany, Empty)
Make JSIL.Dispose work on null.
Maybe fix issue #241; add a test.
Fix invalid field lists being generated for open types, and then being inherited by the prototype of the closed type, preventing the generation of a valid field list. Fixes issue #242.
Fix issue #247.
Disable fast overload dispatch for interface methods and expand test coverage (fixes #248)
Fix issue #249.
Fix issue #251.
Checkpoint a fix for the DeclareVariable regression
Fixed an issue where non-CLR assemblies (such as "Setup.exe" files) were not ignored.  This was causing Mono exceptions, and aborting the entire solution compliation.  This happens even when patterns matching the outputs were added to the "Assemblies": { "Ignored:" [] } array in the .sln.jsilconfig file.
Fixes an "AmbiguousMatchException" where the extra matches really aren't all that Ambiguous... (i.e. they don't exist and/or they're located in the itemOutputDirectory).
Implement basic support for alignment in String.Format format strings - {index,alignment}