Fix casting an r-value to char.

For example:
int f(int i, int j) { return (char) (i + 1) == j; }
f(0x1234, 0x35) returned 0.

This bug caused zlib/uncompress return Z_DATA_ERROR on correct input.
Merge pull request #133 from pfusik/fix-char-cast

Fix casting an r-value to char.
Fix for: cc65 forgetting to emit labels (Alan Cox)

Alan Cox provided this on 2014-10-02 on the cc65.org mailing list:

http://www.cc65.org/mailarchive/2014-10/11673.html
[...]
It breaks in several spots with cc65 where cc65 forgets to emit the
labels for the goto statements - the code is there but with no label
and it them blows up linking
[...]

He also provided a fix:
http://www.cc65.org/mailarchive/2014-10/11675.html

which was approved by Uz:
http://www.cc65.org/mailarchive/2014-10/11679.html

This is the patch of Alan Cox, adjusted only to the new locations on
cc65/github.
Equality problem (Ullrich von Bassewitz)

Neil Stockbridge reported a problem with equality comparisons on
cc65.org's mailing list:

http://www.cc65.org/mailarchive/2014-10/11680.html

Uz provided a fix for it:

http://www.cc65.org/mailarchive/2014-10/11683.html

This pull request ask to add the fix to cc65 on github.
Merge pull request #137 from spiro-trikaliotis/notemittinglabels-alancox

Fix for: cc65 forgetting to emit labels (Alan Cox)
Merge pull request #138 from spiro-trikaliotis/equality-error-uz

Equality problem (Ullrich von Bassewitz)
Moved Windows binary snapshot to SourceForge.
Minor changes to cleanup log.
Ignore return value of commit (not push).
Reduced clutter in root dir.
Adjusted Travis CI file to recent change.
Modified doc generation to target 'doc' repository.
Adjusted doc URL.
Consistently rely on SSL redirection.
Adjusted URL.
Merge remote-tracking branch 'upstream/master'
starting branch for adding the missing undocumented opcodes
added support for ane, sha, shs, shy, shx
renamed KIL to the more common JAM, which is also accepted by ca65
added support for undocumented NOPs