diff --git a/resources/rapydscript/compiler.js.xz b/resources/rapydscript/compiler.js.xz
index d197317f5f..21a50a358c 100644
Binary files a/resources/rapydscript/compiler.js.xz and b/resources/rapydscript/compiler.js.xz differ
diff --git a/resources/rapydscript/lib/re.pyj b/resources/rapydscript/lib/re.pyj
index 080ba32ded..193cc94284 100644
--- a/resources/rapydscript/lib/re.pyj
+++ b/resources/rapydscript/lib/re.pyj
@@ -7,6 +7,7 @@
 
 # basic implementation of Python's 're' library
 
+from __python__ import bound_methods
 
 # Alias DB from http://www.unicode.org/Public/8.0.0/ucd/NameAliases.txt {{{
 _ALIAS_MAP = {"null":0,"nul":0,"start of heading":1,"soh":1,"start of text":2,"stx":2,"end of text":3,"etx":3,"end of transmission":4,"eot":4,"enquiry":5,"enq":5,"acknowledge":6,"ack":6,"alert":7,"bel":7,"backspace":8,"bs":8,"character tabulation":9,"horizontal tabulation":9,"ht":9,"tab":9,"line feed":10,"new line":10,"end of line":10,"lf":10,"nl":10,"eol":10,"line tabulation":11,"vertical tabulation":11,"vt":11,"form feed":12,"ff":12,"carriage return":13,"cr":13,"shift out":14,"locking-shift one":14,"so":14,"shift in":15,"locking-shift zero":15,"si":15,"data link escape":16,"dle":16,"device control one":17,"dc1":17,"device control two":18,"dc2":18,"device control three":19,"dc3":19,"device control four":20,"dc4":20,"negative acknowledge":21,"nak":21,"synchronous idle":22,"syn":22,"end of transmission block":23,"etb":23,"cancel":24,"can":24,"end of medium":25,"eom":25,"substitute":26,"sub":26,"escape":27,"esc":27,"information separator four":28,"file separator":28,"fs":28,"information separator three":29,"group separator":29,"gs":29,"information separator two":30,"record separator":30,"rs":30,"information separator one":31,"unit separator":31,"us":31,"sp":32,"delete":127,"del":127,"padding character":128,"pad":128,"high octet preset":129,"hop":129,"break permitted here":130,"bph":130,"no break here":131,"nbh":131,"index":132,"ind":132,"next line":133,"nel":133,"start of selected area":134,"ssa":134,"end of selected area":135,"esa":135,"character tabulation set":136,"horizontal tabulation set":136,"hts":136,"character tabulation with justification":137,"horizontal tabulation with justification":137,"htj":137,"line tabulation set":138,"vertical tabulation set":138,"vts":138,"partial line forward":139,"partial line down":139,"pld":139,"partial line backward":140,"partial line up":140,"plu":140,"reverse line feed":141,"reverse index":141,"ri":141,"single shift two":142,"single-shift-2":142,"ss2":142,"single shift three":143,"single-shift-3":143,"ss3":143,"device control string":144,"dcs":144,"private use one":145,"private use-1":145,"pu1":145,"private use two":146,"private use-2":146,"pu2":146,"set transmit state":147,"sts":147,"cancel character":148,"cch":148,"message waiting":149,"mw":149,"start of guarded area":150,"start of protected area":150,"spa":150,"end of guarded area":151,"end of protected area":151,"epa":151,"start of string":152,"sos":152,"single graphic character introducer":153,"sgc":153,"single character introducer":154,"sci":154,"control sequence introducer":155,"csi":155,"string terminator":156,"st":156,"operating system command":157,"osc":157,"privacy message":158,"pm":158,"application program command":159,"apc":159,"nbsp":160,"shy":173,"latin capital letter gha":418,"latin small letter gha":419,"cgj":847,"alm":1564,"syriac sublinear colon skewed left":1801,"kannada letter llla":3294,"lao letter fo fon":3741,"lao letter fo fay":3743,"lao letter ro":3747,"lao letter lo":3749,"tibetan mark bka- shog gi mgo rgyan":4048,"fvs1":6155,"fvs2":6156,"fvs3":6157,"mvs":6158,"zwsp":8203,"zwnj":8204,"zwj":8205,"lrm":8206,"rlm":8207,"lre":8234,"rle":8235,"pdf":8236,"lro":8237,"rlo":8238,"nnbsp":8239,"mmsp":8287,"wj":8288,"lri":8294,"rli":8295,"fsi":8296,"pdi":8297,"weierstrass elliptic function":8472,"micr on us symbol":9288,"micr dash symbol":9289,"leftwards triangle-headed arrow with double vertical stroke":11130,"rightwards triangle-headed arrow with double vertical stroke":11132,"yi syllable iteration mark":40981,"presentation form for vertical right white lenticular bracket":65048,"vs1":65024,"vs2":65025,"vs3":65026,"vs4":65027,"vs5":65028,"vs6":65029,"vs7":65030,"vs8":65031,"vs9":65032,"vs10":65033,"vs11":65034,"vs12":65035,"vs13":65036,"vs14":65037,"vs15":65038,"vs16":65039,"byte order mark":65279,"bom":65279,"zwnbsp":65279,"cuneiform sign nu11 tenu":74452,"cuneiform sign nu11 over nu11 bur over bur":74453,"byzantine musical symbol fthora skliron chroma vasis":118981,"vs17":917760,"vs18":917761,"vs19":917762,"vs20":917763,"vs21":917764,"vs22":917765,"vs23":917766,"vs24":917767,"vs25":917768,"vs26":917769,"vs27":917770,"vs28":917771,"vs29":917772,"vs30":917773,"vs31":917774,"vs32":917775,"vs33":917776,"vs34":917777,"vs35":917778,"vs36":917779,"vs37":917780,"vs38":917781,"vs39":917782,"vs40":917783,"vs41":917784,"vs42":917785,"vs43":917786,"vs44":917787,"vs45":917788,"vs46":917789,"vs47":917790,"vs48":917791,"vs49":917792,"vs50":917793,"vs51":917794,"vs52":917795,"vs53":917796,"vs54":917797,"vs55":917798,"vs56":917799,"vs57":917800,"vs58":917801,"vs59":917802,"vs60":917803,"vs61":917804,"vs62":917805,"vs63":917806,"vs64":917807,"vs65":917808,"vs66":917809,"vs67":917810,"vs68":917811,"vs69":917812,"vs70":917813,"vs71":917814,"vs72":917815,"vs73":917816,"vs74":917817,"vs75":917818,"vs76":917819,"vs77":917820,"vs78":917821,"vs79":917822,"vs80":917823,"vs81":917824,"vs82":917825,"vs83":917826,"vs84":917827,"vs85":917828,"vs86":917829,"vs87":917830,"vs88":917831,"vs89":917832,"vs90":917833,"vs91":917834,"vs92":917835,"vs93":917836,"vs94":917837,"vs95":917838,"vs96":917839,"vs97":917840,"vs98":917841,"vs99":917842,"vs100":917843,"vs101":917844,"vs102":917845,"vs103":917846,"vs104":917847,"vs105":917848,"vs106":917849,"vs107":917850,"vs108":917851,"vs109":917852,"vs110":917853,"vs111":917854,"vs112":917855,"vs113":917856,"vs114":917857,"vs115":917858,"vs116":917859,"vs117":917860,"vs118":917861,"vs119":917862,"vs120":917863,"vs121":917864,"vs122":917865,"vs123":917866,"vs124":917867,"vs125":917868,"vs126":917869,"vs127":917870,"vs128":917871,"vs129":917872,"vs130":917873,"vs131":917874,"vs132":917875,"vs133":917876,"vs134":917877,"vs135":917878,"vs136":917879,"vs137":917880,"vs138":917881,"vs139":917882,"vs140":917883,"vs141":917884,"vs142":917885,"vs143":917886,"vs144":917887,"vs145":917888,"vs146":917889,"vs147":917890,"vs148":917891,"vs149":917892,"vs150":917893,"vs151":917894,"vs152":917895,"vs153":917896,"vs154":917897,"vs155":917898,"vs156":917899,"vs157":917900,"vs158":917901,"vs159":917902,"vs160":917903,"vs161":917904,"vs162":917905,"vs163":917906,"vs164":917907,"vs165":917908,"vs166":917909,"vs167":917910,"vs168":917911,"vs169":917912,"vs170":917913,"vs171":917914,"vs172":917915,"vs173":917916,"vs174":917917,"vs175":917918,"vs176":917919,"vs177":917920,"vs178":917921,"vs179":917922,"vs180":917923,"vs181":917924,"vs182":917925,"vs183":917926,"vs184":917927,"vs185":917928,"vs186":917929,"vs187":917930,"vs188":917931,"vs189":917932,"vs190":917933,"vs191":917934,"vs192":917935,"vs193":917936,"vs194":917937,"vs195":917938,"vs196":917939,"vs197":917940,"vs198":917941,"vs199":917942,"vs200":917943,"vs201":917944,"vs202":917945,"vs203":917946,"vs204":917947,"vs205":917948,"vs206":917949,"vs207":917950,"vs208":917951,"vs209":917952,"vs210":917953,"vs211":917954,"vs212":917955,"vs213":917956,"vs214":917957,"vs215":917958,"vs216":917959,"vs217":917960,"vs218":917961,"vs219":917962,"vs220":917963,"vs221":917964,"vs222":917965,"vs223":917966,"vs224":917967,"vs225":917968,"vs226":917969,"vs227":917970,"vs228":917971,"vs229":917972,"vs230":917973,"vs231":917974,"vs232":917975,"vs233":917976,"vs234":917977,"vs235":917978,"vs236":917979,"vs237":917980,"vs238":917981,"vs239":917982,"vs240":917983,"vs241":917984,"vs242":917985,"vs243":917986,"vs244":917987,"vs245":917988,"vs246":917989,"vs247":917990,"vs248":917991,"vs249":917992,"vs250":917993,"vs251":917994,"vs252":917995,"vs253":917996,"vs254":917997,"vs255":917998,"vs256":917999}
diff --git a/resources/rapydscript/lib/traceback.pyj b/resources/rapydscript/lib/traceback.pyj
new file mode 100644
index 0000000000..a25bb32cff
--- /dev/null
+++ b/resources/rapydscript/lib/traceback.pyj
@@ -0,0 +1,51 @@
+# vim:fileencoding=utf-8
+# License: BSD Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
+# globals: ρσ_str, ρσ_last_exception
+
+def _get_internal_traceback(err):
+    if isinstance(err, Exception) and err.stack:
+        lines = ρσ_str.splitlines(err.stack)
+        for i, line in enumerate(lines):
+            line = ρσ_str.strip(line)
+            # These two conditions work on desktop Chrome and Firefox to identify the correct
+            # line in the traceback.
+            if line.startsWith('at new ' + err.name) or line.startsWith(err.name + '@'):
+                return err.__repr__() + '\n' +  lines.slice(i+1).join('\n')
+    return err and err.stack
+
+def format_exception(exc, limit):
+    if not isinstance(exc, Error):
+        if exc and exc.toString:
+            return [exc.toString()]
+        return []
+    tb = _get_internal_traceback(exc)
+    if tb:
+        lines = ρσ_str.splitlines(tb)
+        e = lines[0]
+        lines = [l for l in lines[1:]]
+        if limit:
+            lines = lines[:limit+1] if limit > 0 else lines[limit:]
+        lines.reverse()
+        lines.push(e)
+        lines.insert(0, 'Traceback (most recent call last):')
+        return [l+'\n' for l in lines]
+    return [exc.toString()]
+
+def format_exc(limit):
+    return format_exception(ρσ_last_exception, limit).join('')
+
+def print_exc(limit):
+    print(format_exc(limit))
+
+def format_stack(limit):
+    stack = Error().stack
+    if not stack:
+        return []
+    lines = str.splitlines(stack)[2:]
+    lines.reverse()
+    if limit:
+        lines = lines[:limit+1] if limit > 0 else lines[limit:]
+    return [l + '\n' for l in lines]
+
+def print_stack(limit):
+    print(format_stack(limit).join(''))